Question

A)25%de 200
B)15%de 150
C)50%de1200
D)38%de389
E)12%de275

Pfv e pra amanhã eu estudo de manhã me ajudem :(

Answer 1

Obs multiplica cruzado

A)25% de 200
200-100
x-25

100x=5000
x=5000/100= 50

B)15% de 150
150-100
x-15

100x= 2250
x=2250/100 =22,5

C)50% de 1200
1200-100
x-50

100x= 60000
x=60000/100 = 600

D) 38% de 389
389-100
x-38

100x= 14782
x= 14782/100= 147,82

E)12% de 275
275-100
x-12

100x= 3300
x= 3300/100 = 33