# Problem Coins

## FAQs for Problem Coins

#### Could you solve a coin problem with 3 variables? (Q+N+D)? How would you do it (if it can be done)?

You can have as many variables as you want, as long as you have the same number of equations as variables. You have to subtract or add Q and N, N a...Read more

#### why nickle is 0.05 and quarters are 0.25? In question it is not given how sal find it?

American coins are based on portions of a dollar, and the standards are as follows: One dollar = 100 pennies. Each penny is \$0.01 One dollar = 20 n...Read more

#### A quick question that came to my head..... How about if she had 17 coins or 19 coins, is it possible...

If you tried to solve those you'd get a fraction as your answer, which although it would satisfy the equation, wouldn't be a real solution, since i...Read more

#### Oh, man. Can someone please help with one of these KA quiz questions? I got it right but don't under...

It's not so much that you have different result as the first time you added the equations, you didn't finish the work. You never found the numeric...Read more

#### How did u get value of n as 0.05 and q as 0.25 ?

The problem is dealing with nickels and quarters. A nickel is worth 5 cents or \$0.05. A quarter is worth 25 cents or \$0.25. Note: n and q are the n...Read more

#### how would you graph this

If you really want to graph it, you would have to solve for one of the variables in both equations, and then you would have a independent and a dep...Read more

#### sometimes when i am solving different equations using substitution, the method does not give me an a...

You might be doing it incorrectly, let me explain if we have - 2x- 3y = 13 5x + 3y = 20 we add- 2x = 13 so, to solve we would get- x= 6.5 now, to g...Read more

### What Are Problem Coins - How Much Are My Coins Worth?com

Topic: Details Coins

WEBProblem coins exhibit undesirable traits on the coin’s surfaces resulting from mishandling or the storage environment. Also called, “Details Coins”, seasoned coin collectors know to look for these problems. As such, demand for problem coins can be significantly lower …

### Systems of equations with substitution: coins - Khan Academy

Topic: coin problem

WEBMar 16, 2011 · Could you solve a coin problem with 3 variables? (Q+N+D)? How would you do it (if it can be done)?

We've given you our best advice, but before you read Problem Coins, be sure to do your own research. The following are some potential topics of inquiry:

What is Problem Coins?

What is the future of Problem Coins?

How to Problem Coins?

Our websites are regularly updated to ensure the information provided is as up-to-date as possible in regards to Problem Coins. Take advantage of internet resources to find out more about us.

### Coin Word Problems (video lessons, examples and solutions)

Topic: Coin Problems

WEBCoin Problems: how to solve word problems involving coins, word problems that involve pennies, nickels, dimes, quarters or half dollars, stamps, tickets, with video lessons, …

### Pennies and Nickels and Dimes, Oh My! | Purplemath

Topic:

WEBLearn a reliable method for figuring out the numbers of coins, the values, the totals, and more, when faced with "coin" word problems.

### 'Problem coins': Why collectors can't always be too …

Topic: problem coin

WEBNov 18, 2016 · Generally, a problem coin is a coin that has an issue — something happened to it after the coin left the Mint that the coin market finds offensive. Obvious problems include polishing, a...

### Coin problem - Wikipedia

WEBIn mathematics, the coin problem (also referred to as the Frobenius coin problem or Frobenius problem, after the mathematician Ferdinand Frobenius) is a mathematical …

### Coin Problem -- from Wolfram MathWorld

Topic: coin problem

WEB2 days ago · Determining the function giving the greatest for which there is no solution is called the coin problem, or sometimes the money-changing problem. The largest such …

### Word Lesson: Coin Problems - AlgebraLAB

Topic: Coin Problems

WEBWord Lesson: Coin Problems. In order to solve coin problems, or closely related problems, you should be able to: translate word problem language into equations. work …

### Coin Problems - CliffsNotes

Topic: Coin Problems

WEBCoin Problems. Here are some examples for calculating money in word problems. Example 1. Tamar has four more quarters than dimes. If he has a total of \$1.70, how …

### Solving Problems Involving Coins | Prealgebra

Topic:

WEBApply the problem-solving method to solve word problems involving coins. Imagine taking a handful of coins from your pocket or purse and placing them on your desk. How would you determine the value of that …

### Coin Problems Calculator - Symbolab

Topic: Coin Problems

WEBCoin Problems Examples A:coin:is:tossed:four:times:in:a:row.:Draw:a:tree:diagram:to:display:the:outcomes.:What:is:the:probability:that:at:least:two:tails:will:appear? …

### Coin Word Problems - Online Math Help And Learning Resources

Topic:

WEBCoin Word Problems. Students learn to solve "value" word problems, such as the following. Example: Martin has a total of 19 nickels and dimes worth \$1.65. How many of …

### Coin Values: Pricing Problem Coins - CoinWeek

Topic: problem coins

WEBAug 7, 2014 · But how are problem coins valued? This is an interesting question and one which is becoming a bit easier to answer since NCS coins have become a well …

### Change-making problem - Wikipedia

WEBThe change-making problem addresses the question of finding the minimum number of coins (of certain denominations) that add up to a given amount of money. It is a special …

### Coin Word Problems | Mathwise

Topic:

WEBCoin Word Problems. Phil T. Rich has some coins in his pocket consisting of dimes, nickels, and pennies. He has two more nickels than dimes, and three times as many …

### Count all combinations of coins to make a given value sum (Coin …

Topic:

WEBMar 5, 2024 · Given an integer array of coins [ ] of size N representing different types of denominations and an integer sum, the task is to count all combinations of coins to …

### Who Will Miss the Coins When They’re Gone? - The New York …

Topic:

WEBNov 24, 2020 · As the coin shortage reached its worst in June, trade groups for grocers, gas stations and convenience stores pleaded for help from the government, calling the …

### What experts say about cryptocurrency, bitcoin concerns - CNBC

Topic:

WEBJan 9, 2021 · After Tesla revealed in an SEC filing on Monday that it has bought \$1.5 billion worth of bitcoin, the price of the cryptocurrency hit a record high of over \$44,000, giving …

### Explainer: What are stablecoins, the asset rocking the ... - Reuters

Topic:

WEBMay 12, 2022 · Most cryptocurrencies have a major problem with price volatility, but one sub-category of coins is designed to maintain a constant value: stablecoins.