Question

1-Indique quanto vale:
A) 35% de 250
B) 25% de 120
C) 22,5% de 60
D) 38% de 450​

Answer 1

Explicação passo-a-passo:

a) 250------100%

   x----------35%

100x=8750

x=8750/100       x=87,5

b) 120-----100%

    x--------25%

100x=3000

x=3000/100       x=30

c)60------100%

  x--------22,5%

100x=1350

x=1350/100     x=13,5

d)450-----100%

  x---------38%

100x=17100

x=17100/100     x=171