There are 24 boys and 16 girls in a hall, each holding coins in their hand. The mean number of coins for the children is 15
The mean number of coins for the boys is 11Work out the mean number of coins for the girls.

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.