Ratio Review #2

A fifth grade Science teacher can grade 20 tests in 15 minutes. Is he working at a faster or slower rate than the Geography teacher who is grading 30 tests in 20 minutes?

• The unit rate is 1 ½, so he is working slower

• The unit rate is 1 ⅓, so he is working faster

• The unit rate is 1 ½, so he is working faster

• The unit rate is 1 ⅓, so he is working slower

The Tiaga family drove 298 miles in 5 hours. If they were driving the same speed each hour, what was the unit rate per hour to the nearest whole number?

• 60 mph

• 59 mph

• 61 mph

• 58 mph

Eric got 21/30 on his math test. What percent did he earn? What is that percent as a decimal?

• 77% .77

• 71% .71

• 70% .7

• 70% .07

Sprite is on sale at Save A Lot. A 24-pack is $3.97; an 8-pack is $1.45; 12-pack is $2.15 and a 36-pack is $5.75. Which count pack should you buy if you want the cheapest price per bottle of soda?

• 8-pack

• 36-pack

• 24-pack

• 12-pack

Angela wants to make a few apple pies. She paid $8.94 for six pounds of apples. What is the price per pound of apples?

• $9.84

• $1.49

• $53.64

• $1.94

72 is what percent of 90?

• 80%

• 8%

• 1.25%

• 52%

Nathan spent 75% of his money to buy a video game. If the game costs $60.00, how much money did he have before buying the game?

• $100

• $75

• $135

• $80

Rebecca got a 13/26 on her Math quiz. She earned a 32/40 on her next quiz. If she needs a 65% average to pass the class, will she pass? What was her percentage?

• Yes, she passed with 65% exactly

• Yes, she passed with 68 percent

• No, she did not pass, she had a 64%

• No, she did not pass, she earned a 60%

What is the red number in the diagram below called?

• Whole

• Part

• Percentage

• None of the above

On a recent survey, 40% of those surveyed indicated that they prefer potato chips as a side to french fries. If 240 people said they preferred potato chips, how many people were surveyed? How many people preferred french fries?

• 400; 80

• 800; 360

• 600; 360

• 480; 120