Question 1019626
a+b+c = 213.6 (1)
b = c+14.1
a = c+1.5
Let's substitute for a and b in equation (1):
c+1.5+c+14.1+c = 213.6
3c+15.6 = 213.6
3c = 198
c = 66
b = 66+14.1 = 80.1
a = 66+1.5 = 67.5
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Check:
66+80.1+67.5 = 213.6 we have the correct answer
J