x, y i.p. 0,2 ; 0,5
2x+3y=48
__________
x=? y=?
___________
0,2x=0,5y=k
0,2x=k => x/5=k => x=5k
0,5y=k => y/2=k => y=2k
2*5k+3*2k=48
10k+6k=48
16k=48
k=3 => x=5*3=15
y=2*3=6
Kawaiimath
