25 students average 84 on a test. another group of 20 students averages 66. find the overall average.

27 is what percent of 108? 27 is % of 108

Find the area of a parallelogram with base 15 yards and height 21 2/3

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.