Question

Numerele a,b,c sunt direct proportionalecu 8,12 si15.Aflati x si y astfel incit $\frac{a}{16}$ = $\frac{b}{x}$ = $\frac{c}{y}$

Answer 1

 a/16=b/x=c/ya=8k
b=12k
c=15k
8k/16=12k/x=15k/y
x=16*12k/8k=24
y=16*15k/8k=30