Question

folosind proportii derivate aflati numarul x din proportiile:
a)2x/5=8/20
b)x/2/6=1/3
c)x-2/2=3/5

Answer 1

a) 2x/5=8/20
40x=40
x=1

b) x/2/6=1/3
x/12=1/3
3x=12
x=4

c) x-2/2=3/5
5x-10=6
x=16/5

Sper sa te ajute acest raspuns!