Question

найдите неизвестное от пропорции х:2,43=2:5

Answer 1

х:2,43=2:5
x = 2.43*2/5
x = 0.972

Answer 2

х/2,43 = 2/5
5х=2*2,43
5х=4,86
х=4,86/5
х=0,972

0,972/2,43 = 2/5