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A purse contains $3.90 made up of dimes and quarters. If there are 21 coins in all, how many dimes and how many quarters were there?​

A purse contains $3.90 made up of dimes and quarters. If there are 21 coins in all, how many dimes and how many quarters were there?​
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1 vote
A purse contains $3.90 made up of dimes and quarters. If there are 21 coins in all, how many dimes and how many quarters were there?​

User Imat
by
7.8k points

2 Answers

1 vote

Answer:

q=12 quarters

21-q=9 dimes

Step-by-step explanation:

25q+210-10q=390

15q=180

User Isaacsloan
by
8.3k points
6 votes

12 quarters and 9 dimes

User Dror Hilman
by
7.9k points
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