Question

SUPER EASY PROBLEM!!!!!!!!
10 POINTSSS!!!!

Problem:
Paul has a mix of quarters and dimes in his piggy bank. He has twice as many dimes than he has quarters. He counts all his coins and notices that he has $9.00 in total. How many quarters does Paul have?

Answer 1

q - number of quarters

2q - number of dimes

2q · $0.10 - Amount in dimes

q · $0.25 - Amount in quarters

$9.00 - Total amount

The equation:

$2q(0.1)+q(0.25)=9\\\\0.2q+0.25q=9\\\\0.45q=9\qquad\text{divide both sides by 0.45}\\\\q=20$

Answer: Paul have 20 quarters.

Answer 2

Paul has 20 quarters.

To find quarters does Paul have.

What is arithmetic?

The branch of mathematics dealing with the properties and manipulation of numbers.

Let the q - number of quarters

2q - number of dimes

2q · $0.10 - Amount in dimes

q · $0.25 - Amount in quarters

$9.00 - Total amount

The equation:

2q(0.1)+q(0.25)=9

0.45q=9

q=20

So, Paul has 20 quarters.

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