Question

Решите пропорцию 18х=288

Answer 1

28х=18*8
28х=144
х=144:28
х=5  1/7

Answer 2

18 / х = 28 / 8,
х = (18 * 8) / 28,
х = 36/7,
х = 5 1/7  ⇒  18 / 5 1/7 = 28 / 8