Question

математика срооочно!!

Answer 1

а)30/x=5/6

30*6=5x

5x=180

x=180/5

x=36

б)7/5=x/10

5x=7*10

5x=70

x=70/5

x=14

Answer 2

б)7/5=х/10
70=5х
5х=70
Х=70:5
х=14