30 because 0.3 * 100 = 30
A + b + c = 72
a = b - 1
c = b + 1
(b - 1) + b + (b + 1) = 72
Simplify
3b = 72
b = 24
a = 24 - 1
a = 23
Apparently there's no solution?? i tried solving it, and i also used a special calculator, but no solution came up
Answer:
Slope is -11/6
Step-by-step explanation:

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