Question

Find the unknown value in each proportion. Round to the nearest tenth if needed. 4/5= ?/20

Answer 1

4/5 = 16/20
Think of it this way ~ 5 in the 4/5 times 4 will equal the 20 in ?/20
( 5 x 4 = 20 )
So, you will take that 4 again, and multiply that by the 4 in 4/5
( 4 X 4 = 16 )
= 16/20