Proportional Relationships and Unit Rates Quiz

What is the constant of proportionality if a bus travels 150 miles in 4 hours?

• 45 miles per hour

• 35 miles per hour

• 40 miles per hour

• 37.5 miles per hour

If a 5-ounce serving of tuna provides 32 grams of protein, how many grams of protein are in an 8-ounce serving?

• 51.2 grams

• 40 grams

• 48 grams

• 64 grams

How much would a 14-pack of juice cost if a 10-pack costs $5.40?

• $7.00

• $8.00

• $6.50

• $7.56

Which brand offers the best unit cost if Brand A is $3.88 for 8 ounces, Brand B is $2.44 for 3.5 ounces, Brand C is $2.80 for 4 ounces, and Brand D is $3.20 for 5 ounces?

• Brand D

• Brand C

• Brand B

• Brand A

If a movie theater sells tickets for 35 students at $210, what is the cost per student?

• $5

• $6

• $7

• $8

How many words per minute can Katie type if she types 25,000 words in one hour?

• 416.67 words

• 400 words

• 450 words

• 500 words

What is the sales tax on a $115 camera if the sales tax rate is 5.5%?

• $6.00

• $5.75

• $7.00

• $6.33

If Orlando buys a shirt for $10 and jeans for $22.75 with a 6% sales tax, what is the total price?

• $33.50

• $35.00

• $34.72

• $32.75

What is the percent decrease if a bottle of hand soap originally costs $3.50 and is now on sale for $2.50?

• 25%

• 30%

• 20%

• 28.57%

How much money will you save on a $350 TV that is on sale for 30% off?

• $105

• $90

• $100

• $115