If a=12 and 120% of a is equal to 80% of b then what is a+b

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asked Apr 14, 2023 111k views

1 Answer

Norio Yamamoto · Answer 1 · 2023-04-21T01:45:39+0000

a=12
120% of a =80% of b
120%a = 80%b
120a/100 = 80b/100
Divide through by 100
120a = 80b
Divide through by 80
120a/80 = b
But a=12
120x 12/80 = b
18 = b
b = 18

a+b = 12 + 18 = 30

If a=12 and 120% of a is equal to 80% of b then what is a+b

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