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Aliyah has $1.03 in dimes and pennies. The number of pennies is 4 more than the number of dimes. Determine the number of dimes.

Respuesta :

Answer:

Let n be the number of dimes one has

(n + 4) * 1 + n * 10 = 103    to get current price

11 n + 4 = 103

n = 9    where n is the number of dimes

Check:

9 * 10 = 90

13 * 1 = 13

Total = 103

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