A. What percent of 90 is 3? B. 5% of what number is 10?

Question

A. What percent of 90 is 3?

 

B. 5% of what number is 10?

Answer 1

A)  90x = 3

x = 3/90

x = 0.0333 or 3.33%

Check:  Is 0.0333 x 90 = 3?  yes.

 

B)  5% is 0.05 as a decimal

0.05x = 10

x = 10/0.05

x = 200 

Check:  is 0.05 x 200 = 10