20 is what percent of 80? Choose the equation to solve the problem a. 20 = 80% ∙ x; 25%

b. 80 = 20% ∙ x; 400%

c. 20 = x ∙ 80; 25%

d. x = 20% ∙ 80; 0.25%

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number.4oz =_ pounds2. what is 1/3 of 66for both show work.

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29