Question

реши уровнение
х:21/25=15/28

Answer 1

х:21/25=15/28
х=15/28*21/25
х=15*21/28*25
х=3*21/28*5
х=63/140

Answer 2

х : 21/25 = 15/28
x = 15/28 * 21/25
x =3/4 * 3/5
x = 9/20
x = 0,45