Question

12 reias correspondem a 15% de que quantia?

Answer 1

12 ______ 15%
x _______ 100%

x = 1200 /15

x = 400 / 5

x = 80 reais. ← Resposta.

Answer 2

12========15%

x========== 100

multiplique cruzado:.

15x=> 12.100

15x=> 1200

x=> 1200/15

x=> 80$

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