13. The ratio of boys to girls in Mr. Johnson's after-school club is the same as the ratio of boys to girls in Ms. Greene's after-school club. There are 4 boys and 12 girls in Mr. Johnson's club. There are 6 boys in Ms. Greene's club. How many girls are in Ms. Greene's club? *

There are 16 flowers in a vase. Seven of the flowers are yellow, whereas 5 are red. What is the ratio of red flowers to those neither red nor yellow?

A baker has 28 plain bagels and 20 blueberry bagels. If 25% of the plain bagels are gluten free and 10% of the blueberry bagels are gluten-free, then what is the percentage of gluten-free bagels?

How many choices are there for a person to check out 4 CDs from a library that has 20 CDs of his (her) interest?

A bag containing 10 white golf balls and 6 striped golf balls. A golfer wants to add 112 golf balls to the bag. He wants the ratio of white balls to remain the same. How many of each should he add

#1. A truck is carrying t-shirts. There are 94,375 boxes of orange tshirts, 37,045 boxes of yellow t-shirts,and 7,857,975 boxes of blue tshirts. How many boxes in all?

The City Animal Control Department found out that 25 of the 90 squirrels that they trapped and relocated to Wolfe Island had been tagged. It was also known a total of 1200 squirrels had been tagged in Kingston that season. Estimate the size of the squirrel population in Kingston?

A poker hand consists of five cards from a deck of 52.  Order does not matter.  In how many ways can the hand consist of 3 hearts and 2 spades?

2. Given A = {10, 11, 12, 13}, B = {10, 12, 14, 16}, and C = {7, 8, 9, 10, 11}, find %3D a. AUB b. ANB c. AUC d. ANC e. BUC f. BNC

John Wayne Like a lot of other Americans, John Waynedied of cancer. But is there more to this story? In 1955Wayne was in Utah shooting the film The Conqueror. Across the state line, in Nevada, the United States mili-tary was testing atomic bombs. Radioactive fallout from those tests drifted across the filming location. A total of46 of the 220 people working on the film eventually diedof cancer. Cancer experts estimate that one would expectonly about 30 cancer deaths in a group this size. a) Is the death rate among the movie crew unusuallyhigh?b) Does this prove that exposure to radiation increasesthe risk of cancer?