Question 551448
d = number of dimes
10d = value of the dimes in cents
q = number of quarters
25q = value of quarters in cents
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10d +25q = $4.50= 450 cents
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q = d+4
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10d + 25(d+4) = 450
10d +25d + 100 = 450
35d = 350
d = 10
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q = 10+4 = 14
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Check the values.
10*10 = 100
25*14 = 350
100 +350 = 450
Correct.
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Answer: 10 dimes and 14 quarters
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Done.