Question 1077336
d+q = 61
q = d+3
0.10d+0.25q = 10.90
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0.10d+0.25(d+3) = 10.90
0.10d+0.25d+0.75 = 10.90
0.35d = 10.15
d = 29 she has 29 dimes and 61-29 = 32 quarters
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Check:
29(0.10)+32(0.25) = 2.90+8 = 10.90 Correct