Pliss jawab bentar lagi di kumpulin

Pliss jawab bentar lagi di kumpulin

$blue{begin{aligned} sf frac{a1}{a2} &= sf frac{d2}{d1} \ sf frac{28}{16} &= sf frac{e}{4} \ sf 16e &= sf 28 times 4 \ sf 16e &= sf 112 \ sf e &= sf frac{112}{16} \ sf e &= boxed{pink{bf 7 : kue : per : anak}} end{aligned}}$