2.02b Quiz: Review of Fractions 2

Simplify. 5/4 ⋅ 22/25

1 1/10

If 82 out of 100 cockroaches are immune to a pesticide after repeated use in an area, how many would be expected to be immune in a population of 2.2 million?

1,804,000

Simplify. 4 1/2 ⋅ 2 3/5

11 7/10

If two-thirds of all type-Z organisms are red and seven-eighths of all type-Z organisms are green, what is the number of type-Z organisms that are red out of a sample population of 1,915? Round to the nearest whole number.

1277

When Meriden made a cake she used a recipe calling for 3/4 cup of sugar. She was planning to make a huge cake for a family get-together, which means that she was going to triple the recipe (three times the ingredients). How much sugar will she need?

2 1/4

Simplify. 3 1/4 ÷ 5/6

3 9/10

On Michael's farm they have a herd of dairy cattle. There are one hundred eight cows in the herd. If it takes a third of an acre of pastureland to provide grass for each cow, how many acres of pastureland are needed to provide grass for their dairy cattle?

36

Simplify. 2/3 ÷ 4/5

5/6

Carrie wanted to make pudding for dessert for her family. However, she couldn't find a recipe that would make four servings. She decided to use a recipe for eight servings and use only half as much of each ingredient. The recipe for eight called for one and a fourth cups of raisins. How many cups of raisins will she need for four people?

5/8

If Michael's family has 210 acres and each cow take 1/3 acre for grazing, how many cattle could their farmland support?

630