7/8=X/24, 5/9=10/x.

Question

7/8=X/24, 5/9=10/x.

Answer 1

7/8=x/24
x=24*7/8=21 
 
2)5/9=10/x
x=9*10/5=18

Answer 2

8х=24*7

8х=168
Х=168/8
Х=21



90=5х

Х=90/5

Х=18