Question

calcule 35% de 6,9
calcule 18% de 3
calcule 26% de 18,5
calcule 87% de 1,5
calcule 1,5% de 0,8​

Answer 1

Resposta:

REGRA DE TRÊS :

100% 6,9

35% x

100x = 35 × 6, 9

100x = 241 , 5

x = 241, 5 / 100

x = 2, 415

100% 3

18% x

100x = 3 × 18

100x = 54

x = 54 / 100

x = 0, 54

100% 18, 5

26% x

100x = 26 × 18, 5

100x = 481

x = 481 / 100

x = 4, 81

100% 1, 5

87% x

100x = 87 × 1, 5

100x = 130, 5

x = 130, 5 / 100

x = 1, 305

100% 0, 8

1, 5% x

100x = 1, 5 × 0, 8

100x = 1, 2

x = 1, 2 / 100

x = 0, 012