Percentage Of
Percentage Increase
Percentage Decrease
100
Nahzeah will purchase a video game with a coupon that is 65% off. How much money will this coupon take off the cost of a game that is $200?
The coupon will take off $130.
100
Khristopher and Aaron are playing football outside. If Aaron runs a total of 60 yards in the first quarter and Khristopher runs 35% more yards than Aaron, how many yards does Khristopher run?
60 X 1.35= 81 yards
100
Jocelyn purchases a jacket that is 45% off. If the original cost of the jacket was $154, how much is the jacket before tax?
100%-45%=55%
.55 X 154=$84.70
200
Santo is going to play video games for only 15% of his free time. If he has 120 minutes free after school, how many minutes will he play for?
18 minutes
120X .15= 18
200
Natalia and Jocelyn go to dinner and want to give their waitress a great tip. If their meal (including tax) cost $45 and they tip 25%, how much do they pay in total?
45 X 1.25= $56.25
200
Sally has a discount card that reduces the price of her grocery bill in a certain grocery store by 5%. If c represents the cost of Sally’s groceries, which expression represents Sally’s grocery bill?
- (A)0.05c
- (B)0.95c
- (C)c − 0.05
- (D)c + 0.95
- (B)0.95c
300
Doug earns $10.50 per hour working at a restaurant. On Friday he spent hours cleaning,
hours doing paperwork, and
hours serving customers. What were Doug’s earnings?
- (A)$46.97
- (B)$47.25
- (C)$53.00
- (D)$57.75
- (D)$57.75
300
The amount of money in a bank account increased by 21.5% over the last year. If the amount of money at the beginning of the year is represented by n, which expression represents the amount of money in the bank account after the increase?
- (A)n + 0.215n
- (B)n + 21.5n
- (C)0.215n
- (D)21.5n
(A)n + 0.215n
300
At a store, a hat has a regular price of x dollars. During a sale, the price of the hat is discounted by 20%. The expression 0.8x describes the discounted price, in dollars, of the hat. Which expression also describes the discounted price, in dollars, of the hat?
- (A) 0.2x
- (B) x − 20
- (C) x − 0.2
- (D) x − 0.2x
D! the original amount minus the 20% of the original will show the amount paid.
400
Brooklyn has 55% of the total population in New York City. If NYC has 8,550,405 in 2018, how many people live in Brooklyn?
4,702,722.75~ 4,702,723
400
The population of a city is expected to increase by 7.5% next year. If p represents the current population, which expression represents the expected population next year?
- (A)1.75p
- (B)1.075p
- (C)p + 0.075
- (D)1+ 0.07
- (B)1.075p
400
An item with an original price of p dollars is on sale at a 25% discount. Which expression is not equivalent to the price of the item with the discount?
- (A)(1.0p − 0.25p)
- (B)(1.0 − 0.25)p
- (C)0.75p
- (D)0.25p
- (D)0.25p
500
The United States has 327,000,000 people in it and New York has 8,000,000 people in it. What percent does New York have of the total population in the United States?
What percent of 327,000,000 IS 8,000,000?
Percent X Original= Quantity
p X 327,000,000= 8,000,000
so p=0.024 x100= 2.44%
500
The original selling price of a share of stock was d dollars. The selling price for a share of the same stock at a later date was represented by the expression 1.15(0.95d). Which description could explain what happened to the price of the share of stock?
- (A)The price decreased by 5% and then increased by 0.15%.
- (B)The price decreased by 95% and then increased by 0.15%.
- (C)The price decreased by 5% and then increased by 15%.
- (D)The price decreased by 95% and then increased by 15%
(C)The price decreased by 5% and then increased by 15%.
500
Leo bought a used car for x dollars. One year later the value of the car was 0.88 x . Which expression is another way to describe the change in the value of the car?
- (A)0.12% decrease
- (B)0.88% decrease
- (C)12% decrease
- (D)88% decrease
- (C)12% decrease