jo has a total of 61 dimes and quarters in her piggy bank. she has 3 more quarters than dimes. the coins have a total value of $10.90 how many dimes and how many quarters does she have?

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asked Nov 17, 2019 5.7k views

1 vote

jo has a total of 61 dimes and quarters in her piggy bank. she has 3 more quarters than dimes. the coins have a total value of $10.90 how many dimes and how many quarters does she have?

Mathematics
middle-school

Goclem asked

by Goclem

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2 Answers

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D+Q=61 => D=61-Q
3+D=Q

10D+25Q=1090

10(61-Q) + 25Q=1090
610-10Q+25Q=1090

610+15Q=1090
-610 -610

15Q=480

480/15=32

32 quarters

Cvetan Mihaylov answered Nov 18, 2019

by Cvetan Mihaylov

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3 votes

I got
Dime=29
Quarters=32
ended up to be 10.90
Reply back if you need it to show work

Mostafa Saadatnia answered Nov 22, 2019

by Mostafa Saadatnia

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