Question

2. determinar e registrar

preciso de ajuda.. entregar amanhã cedo​

Answer 1

A) R$161

322 - 100%

X - 50%

X = 50 x 322 ÷ 100 = R$161

B) R$161

322 ÷ 2 = R$161

C) R$210

840 - 100%

X - 25%

X = 25 x 840 ÷ 100 = R$210

D) R$210

840 ÷ 4 = R$210

E) R$675

900 - 100%

X - 75%

X = 75 x 900 ÷ 100 = R$675

F) R$675

900 ÷ 4 = 225 (1/4)

225 x 3 = R$675