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