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15-09-2020
Mathematics

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William has 32 coins that are all either quarters or dimes. The coins have a value of $5.00. How many dimes does William have?

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meredith48034 meredith48034

15-09-2020

Answer:

Step-by-step explanation:

d + q = 32

.10d + .25q = 5.00

d + q = 32

10d + 25q = 500

-10d - 10q = -320

10d + 25q = 500

15q = 180

q= 12 quarters

d + 12 = 32

d = 20 dimes

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