A + M = 40
M = 2A + 4
A + 2A + 4 = 40
3A = 40 - 4
3A = 36
A = 12 points
M = 40 - 12
m = 28 points
Answer:
n = 12 nickels
d = 11 dimes
q = 7 quarters
Step-by-step explanation:
.05n + .1d + .25q = 3.45
n + d + q = 30
n = q + 5
n = 12
d = 11
q = 7
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