Braylon Johnston

Mathematics

4 May, 16:07

An attendant collected 77 coins from a parking meter. The value of the coins was $9.15, and there were six more dimes than quarters.

Which system models this situation?

Assume the coins are nickels (n), dimes (d), and quarters (q).

A. {n + d + q = 77

{5n + 10d + 25q = 9.15

{d + q = 6

B. {n + d + q = 915

{5n + 10d + 25q = 9.15

{d - q = 6

C. {n + d + q = 77

{0.05n + 0.10d + 0.25q = 9.15

{d - q = 6

D. {n + d + q = 915

{0.05n + 0.10d + 0.25q = 77

{d + q = 6

+1

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