Quiz about Percents Proportions Tax

Question 1

There are 110 students on our team. 40% of the students dressed up for College Day. How many students on our team are wearing their college attire?

Accepted Answer

44

Answer

40

Answer

70

Answer

66

Question 2

A computer is priced at $1,300 but is on sale for 10% off. What is the total cost including the sale price and 8% tax?

Accepted Answer

$1263.60

Answer

$2779.92

Answer

$2574.00

Answer

$1170.00

Question 3

Tickets for the soccer game cost $20 but there is a 7% tax. How much will you pay just for tax?

Accepted Answer

$1.40

Answer

$21.40

Answer

$7

Answer

$27

Question 4

PROPORTIONS REVIEW: If 2 tickets for an amusement park cost $120, how much would 10 tickets cost?

Accepted Answer

$600

Answer

$1,200

Answer

$60

Answer

$240

Question 5

When making noodles you must maintain a ratio of 3/4 cups of water to 4 cups of flour. What is the unit rate in terms of water to flour?

Accepted Answer

3/16 cups of water to 1 cup of flour

Answer

cup of water to 3/4 cups of flour

Answer

1/4 cup of water 1 cup of flour

Answer

3/4 cups of water to 4 cups of flour

Question 6

A shopper bought shoes marked $45. The sales tax is 6.5%. How much did the shopper pay in all?

Accepted Answer

$47.93

Answer

$2.93

Answer

$38.50

Answer

$42.07

Question 7

What is the percent of increase for a population that changed from 438,000 to 561,000 to the nearest hundredth?

Accepted Answer

28.08% increase

Answer

28.08% decrease

Answer

28% increase

Answer

23% increase

Question 8

A merchant buys a television for $125 and sells it for a retail price of $200. What is the markup rate?

Accepted Answer

60% increase

Answer

40% increase

Answer

60% decrease

Answer

40% decrease

Question 9

A keyboard that costs $475 is marked down 15% for a sale. What is the reduced price of the keyboard?

Accepted Answer

$403.75

Answer

$71.25

Answer

$460.00

Answer

$546.25

Question 10

The whole sale cost of a bicycle is $75. There is a mark-up of 55%. What is the sale price of the bike?

Accepted Answer

$116.25

Answer

$41.25

Answer

$75

Answer

$125

Question 11

Cann Electronics has a sale, and all electronics are on sale for 20% off. If a computer is on sale for $680, what was the original price?

Accepted Answer

$850

Answer

$544

Answer

$816

Answer

$725

Question 12

A toaster oven that originally cost $75 is discounted 20%. It has a sales tax of 6%. What is the new price of the toaster oven?

Accepted Answer

$63.60

Answer

$56.40

Answer

$68.00

Answer

$15.09

Question 13

Paul earns 15% commission on his total sales each month. If he needs to earn $2,100 this month for expenses, what is the minimum amount of sales Paul must make?

Accepted Answer

$14,000

Answer

$18,000

Answer

$20,000

Answer

$21,000

Question 14

The cost of 3 pounds of grapes is $6.57. What is the constant of proportionality that relates the cost in dollars, y, to the number of pounds of grapes,

Accepted Answer

$2.19

Answer

$6.57

Answer

$3.00

Answer

Not here

Question 15

Amanda increased the amount of protein she eats every day from 48 g to 54 g. By what percentage did Amanda increase the amount of protein she eats?

Accepted Answer

12.5%

Answer

11.1%

Answer

88.9%

Answer

112.5%

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