Comparing & Scaling Unit Practice Test

The ratio of United States gold medals to Russia gold medals was about ____ to 1.

Canada had about ____ as many total medals as Australia.

About ____% of Australia’s total medals were gold.

There are 75 pretzels in a 15-ounce bag of chocolate-covered pretzels. Write and solve a proportion that you can use to find the number of chocolate covered pretzels in a 10-ounce bag.

There are 75 pretzels in a 15-ounce bag of chocolate-covered pretzels. What is the number of chocolate-covered pretzels per ounce?

There are 75 pretzels in a 15-ounce bag of chocolate-covered pretzels. How many ounces does each pretzel weigh?

The local Farm Market sells peppers at five for $1.75. How many peppers could you buy for $20?

The local Farm Market sells peppers at five for $1.75. Write an equation that relates the number of peppers, n, and the cost, C.

• n = 1.75c

• c = 1.75n

• c = 0.35n

• n = 0.35c

The local Farm Market sells peppers at five for $1.75. What is the constant of proportionality?

Many U.S. employees received a 5% raise in 2012. Suppose an employee made $51,000 in 2011 and received a 5% raise. What did she make in 2012?