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More Lessons for Grade 9 Math

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Videos, worksheets, solutions and activities to help Algebra students learn how to solve coin word problems.

Coin Problem

An example of using an equation to solve a problem involving coins.

Example: Zack has $11.85 in his piggy bank. He only had nickels and quarters in the bank. The number of quarters is equal to one less than twice the number of nickels. How many of each kind of coin did he have?

Examples:

(1) Tom has a bag with 32 coins consisting of dimes and nickels worth $2.80. How many of each coin does he have?

(2) Dalton has 20 coins consisting of dimes and quarters worth $3.20. He has 4 less quarters than dimes. How many of each type of coin does he have?

Example:

Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 24 coins with a total face value of $4.40, how many of the coins are nickels?

Susan has 4 times as many quarters as dimes and 16 less dimes than nickels. If she has $13.45 in coins. How many of each coin does she have?

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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