How do you write this as a equation? Please help!
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q = q
d = 4 + q
n = d - 7 = 4 + q - 7 = q - 3
q + 4 + q + q - 3 = 28
3q = 27
q = 9 quarters
d, q and n represents dimes, quarters and nickels respectively
d = 4 + q
n = d - 7 = 4 + q - 7 = q - 3
q + 4 + q + q - 3 = 28
3q = 27
q = 9 quarters
d, q and n represents dimes, quarters and nickels respectively
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d=q+4
n=d-7
d-4+d+d-7=28
3d=39
d=13
Q=9
n=6
n=d-7
d-4+d+d-7=28
3d=39
d=13
Q=9
n=6