Question

Giúp em với ạ

Answer 1

a: 6/x=12/8

=>6/x=6/4

hay x=4

b: x/120=30/48

=>x/120=5/8

=>x=75

c: 26/65=x/5

=>x/5=2/5

hay x=2

d: =>15/x=5/7

hay x=21