Question

calcule o valor de X nas proporções abaixo:

A) 5/15=9/X

B) 7/9= X/108

C) X/3=24/6

D) 8/X=50/25​

Answer 1

A) 5x = 9 * 15
5x = 135
x = 135/5
x = 27

B) 9x = 7 * 108
9x = 756
x = 756/9
x = 84

C) 6x = 3 * 24
6x = 72
x = 72/6
x = 12

D) 50x = 25 * 8
50x = 200
x = 200/50
x = 4