Question

Daca: x:m=4, y:m=6, y-x=20. Afla dublul sumei celor 3 numere.
Dau coronițepls ajutatima

Answer 1

x:m=4=>x=4m
y:m=6=>y=6m
y-x=20
6m-4m=20
2×m=20
m=20:2
m=10
10×4=40(x)
6×10=60(y)
(10+40+60)×2=110×2=220(dublul sumei)