Write an equation relating the variables in the situation described.
-The amount of money M in a piggy bank containing only nickels and dimes d, when there are five more nickels than dimes.
A) M = 0.1d + 0.20
B) M = 0.15d + 0.25
C) M = 0.05 + 0.1d
D) M = 0.15d
Correct Answer:
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