Question

1 - resolva as regras de três.

A)10 = 80
3 x


B)12 = 2
x 3

C)24 = x
6 3

D)10 = 50
7 x​

Answer 1

Resposta:

.

Explicação passo-a-passo:

a -

10 -- 80

3 ---- x

10x = 240

x = 240/10

x = 24

b -

12 --- 2

x ---- 3

2x = 36

x = 36/2

x = 18

c -

24 --- x

6 ----- 3

6x = 72

x = 72/6

x = 12

d -

10 --- 50

7 ----- x

10x = 350

x = 350/10

x = 35