Question

si: a/4=b/2=c/3 y a+b+c=18 hallar: b

Answer 1

$SOLUCION: \\ \\ \frac{a}{4} = \frac{b}{2} = \frac{c}{3}=k \\ \\ a=4k \\ b=2k \\ c=3k \\ \\ a + b + c = 18 \\ \\ Remplazo: \\ \\ 4k + 2k + 3k = 18 \\ \\ 9k = 18 \\ \\ k =2 \\ \\ a=4(2)=8 \\ b=2(2)=4 \\ c=3(2)=6 \\ \\ Hallar "b" \\ \\ b=4$