Proportions Review

A gaming company routinely ships games that have 3 defective games for every 600 games shipped. Brian works at a GameStop that sells the games to consumers. If Brian sells 200 games, how many can Brian expect to be working?

• 150

• 192

• 196

• 199

Sandals are on sale for 20% off. The sandals Shya wants to buy are marked with an original price of $50. What is the total cost, in dollars, for a pair of sandals at the sale price, including a 9% tax?

• $40.50

• $43.60

• $45.00

• $10.00

A runner wants to increase his endurance through weight training. The athlete has p pounds of muscle before weight training and gains 8% more muscle mass through training. Which expression represents the total muscle mass, in pounds, the athlete has after weight training?

• .08p

• .92p

• p - .08p

• p + .08p

A convenience store sells two brands of pretzels. Brand A contains 8 ounces and costs $1.28. Brand B contains 12 ounces and costs $1.68. What is the difference, in dollars, per fluid ounce between the two brands of juice?

• $0.89

• $.02

• $2.00

• $0.20

In 2002, Sylvia deposited $1,000 at a bank with a rate of 3.5% for 1 year. In 2003, she deposited $1,000 in another bank with a rate of 5.5%. How much more money does she make by depositing the same amount of money at the 2003 interest rate?

• $20

• $200

• $900

• $2,000

A piece of gak is n inches long. If a child stretches the gak, and the new length of the gak is 1.12n, which statement is true?

• The length of the rubber band increases by 120% because 1.12n = 1 + .12n

• The length of the rubber band increases by 12% because 1.12n = n + 0.12n

• The length of the rubber band increases by 1.2% because 1.12n = 1 + 0.12n

• The length of the rubber band increases by 0.12% because 1.12n = n + 0.12

A recipe says to use 2.5 cups of flour to make 50 cookies. How many cups of flour would be needed to make 80 cookies?

• 16 cups of flour

• 7.2 cups of flour

• 4 cups of flour

• 2 cups of flour

A student guesses Miley Cyrus's age as 28 years. What is the percent error, given that her correct age is 30 years old? Round to the nearest hundredth of a percent.

• 106.67%

• 6.67%

• 93.33%

• 7.24%

Jacob has been wanting to buy a new Xbox represented by x. A commercial says the xBox is on sale for 35% off of the original price. Identify the expression to explain the new cost of the xBox.

• 0.65c

• 0.35c

• c - 0.35

• c - 0.03

A scarf is made with 3 colors of yarn with a ratio of:

2.5 yards gold : 1.75 yards bronze : .75 yards silver

When the magic carpet is made with a total of 75 yards of yarn. How much bronze yarn is in the magic carpet?

• 37.5 yards

• 26.25 yards

• 11.25 yards

• 5 yards