Question

tìm x,y biết:

x/3 = y/5 và y – x =24

Answer 1

\(\dfrac{x}{3}=\dfrac{y}{5}=\dfrac{y-x}{5-3}=\dfrac{24}{2}=12\)

suy ra:\(x=12.3=36\\ y=12.5=60\)

Answer 2

Ta có

\(\dfrac{x}{3}=\dfrac{y}{5}=\dfrac{y-x}{5-3}=\dfrac{24}{2}=12\\ .\dfrac{x}{3}=12\Rightarrow x=12.3=36\\ .\dfrac{y}{5}=12\Rightarrow y=12.5=60\)

Vậy\(x=36;y=60\)