Question

Aflati termenul ,,x,, din proportiile:
a) x/1/2=3/9/4
b)1/15/x=8/9/60
c)3/4/6=x/16/9
Ajutor,va rog!!

Answer 1

x/1/2=3/9/4⇒x/2=3/36⇒36x=6⇒x=6/36⇒x=1/6
b)1/15/x=8/9/60=1/15x=8/540⇒8*15x=540⇒120x=540⇒x=540/120⇒x=4.5

3/4/6=x/16/9⇒3/21=x/144⇒24x=144*3⇒24x=432⇒x=432/24⇒x=18
succes