MATH 0910 Exam 4 – Practice Test
1. Write the ratio as a simplified fraction.
10 to 35
2. Use the following pie chart to answer the questions below.
(a) What is the ratio of defense dictionary spending to social security spending?
(b) What is the ratio of total defense spending to total spending?
3. Write as a rate in simplest form.
(a) 800 miles in 16 hours
(b) 300 people in 40 square miles
4. Write as a unit rate.
(a) $250 in 20 hours
(b) 300 people in 40 square miles
5. Write a proportion for the relationship.
10 is to 90 as 2 is to 18
6. Determine whether the relationship is a proportion.
215=322
7. Solve each equation for n.
(a) 6×n=48
(b) 14.4=12×n
8. Solve each proportion for n.
(a) 38=15n
(b) 1 kilogram2.2 pounds=n kilograms50 pounds (round to the nearest hundredth)
9. K-cups, or single serving coffee packs, can be purchased in bulk. The Coffee Shop sells a variety pack containing 35 k-cups for $21. Bulk Coffee sells a similar variety pack containing 50 k-cups for $27.50.
(a) What is the cost per k-cup of the variety pack sold by The Coffee Shop?
(b) What is the cost per k-cup of the variety pack sold by Bulk Coffee?
(c) Which shop offers a better deal?
10. The current exchange rate is $1.38 (USD) for every 1 € (euro). Karen just returned from France with 127 €; how many US dollars will that equal?
11. A recipe for 12 servings of runza dough calls for the following ingredients:
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MATH 0910 Exam 4 – Practice Test
412 cups flour
12 cup sugar
2 packages of active dry yeast
1 teaspoon salt
34 cups milk
12 cup water
12 cup shortening
2 eggs
(a) How many eggs would be needed for 30 servings?
(b) How many cups of flour would be needed for 30 servings?
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