Question

qual e o valor de x na proporção?

Answer 1

a) 120x=15
x=15/120
x=0,125

b)66x=2
x=2/66
x=0,03

c)18x=4
x=4/18
x=4,5

d)5x=90
x=90/5
x=18

e)5x=175
x=175/5
x=35