Question

tìm x,y biết:  \(\frac{x}{3}=\frac{y}{2}\)và x+y=15

Answer 1

Ta co:\(\frac{x}{3}=\frac{y}{2}=\frac{x+y}{3+2}=\frac{15}{5}=3\)

+, \(\frac{x}{3}=3\Rightarrow x=3\times3=9\)

+, \(\frac{y}{2}=3\Rightarrow y=3\times2=6\)

Vay x=9;y=6

Answer 2

\(x=9\)

\(y=6\)

tick mik nha

Answer 3

x = 9

y = 6

Answer 4

x=9

y=6

Tik cho mk nha.....cảm ơn