Question

1. Aflați x,y,z daca x/4=y/6=z/7si x+y+z= 13,6.​
(Urgent)

Answer 1

Răspuns:

x/4=y/6=z/7=k

x=4k

y=6k

z=7k

x+y+z=13,6

4k+6k+7k=13,6

17k=13,6=>k=13,6:17=>k=0,8

x=4·0,8=3,2

y=6·0,8=4,8

z=7·0,8=5,6