Question

Me ajudem por favor??

Answer 1

A) 80% x 240

80/100 x 240

4/5 x 240

4 x 48

192

B) 1.200 + 30% = x

x = 1.200 + 1.200 . 30 / 100

1.200 + 36.000 / 100

1.200 + 360

1.560

C) 900 x 42%

900 = 42/100

9 x 42

378

D) 60 - 5% = x

x = 60 - 60 x 5 / 100

60 - 300 / 100

60 - 3

57