How do you find the amount of change in a Percent of Change problem?
What is subtract the old amount from the new amount..... (New - Old)
100
Tip Amount Only
$85 with a 20% tip
What is $17
100
Find the decrease amount only
$456 television with a 15% off coupon
What is $68.40
100
What is the percent proportion formula?
What is Part / Whole = Percent / 100
100
A telephone booth that is 8 ft tall casts a shadow that is 4 ft long. Find the height of a flag pole that casts a 216 ft shadow.
What is 432 ft.
200
Find the amount of change:
(Round to the nearest whole number)
$1.78 to $0.76
What is -1.02
200
Final Total Amount
$97 with a 35% increase
What is $130.95
200
Find the final amount
iPhone 6 for $599 with a 12% mark down
What is $527.12
200
What is 40% of 120?
What is 48
200
A photograph measuring 6 inches wide and 8 inches long is enlarged to make a wall mural. If the mural is 120 inches wide, how long is the mural?
What is 160 inches
300
In 1986 the average price of a gallon of gasoline was $0.93 cents. In 2009 the average price of a gallon of gasoline was $3.11. Find the percent of change, rounded to the nearest whole percent.
What is 234% increase
300
Justin is buying a new pair of shoes. The shoes are $114.85. If the tax rate is 9.85%, how much will Justin's final total be?
What is $126.16
300
Taylor is trying to lose weight. If she weighs 165 pounds and wants to lose 11.7% of her body weight, what is her goal weight? (rounded to the nearest tenth)
What is 145.7 pounds
300
There are 28 carpenters in a Dan’s crew. On a certain day, only 12 were present. What percent did NOT show up for work? (round to the nearest tenth)
What is 57.1%
300
Find the distance between Riverside and Milton if they are 12cm apart on a map with a scale of
4cm : 21 km.
What is 63 km
400
Several years ago, Robert bought some gold valued $710 per ounce. When he went to sell it, it was worth $1,278 per ounce. What was the percent of change in the value of the gold?
What is 80% increase
400
Alex went out to eat with her friends. Her bill was $27.15. If she had to pay a 10% tax and she left a 22% tip, how much was her final total?
What is $35.84
400
Justin is buying a new car. He received 8% off of the car price. If he payed $23,000, how much was the original price?
What is $21,160
400
Madison, a nurse, worked 9 and a half months out of the year. What percent of the year did she work? (round answer to the nearest hundredth)
What is 79.17%
400
A 13 foot ladder leans against a building 7 feet above the ground. At what height would a 21-foot ladder touch the building if both ladders form the same angle with the ground. (Round to the nearest tenth is necessary)
What is 11.3 feet
500
Until recently, Blake owned 2,670 acres of farmland. This year, he sold the old land and purchased a new plot that is 2,403 acres in size. What is the percent of change in the amount of land that Blake owns now?
What is a 10% decrease
500
Bobby went to eat at Outback last night. His total was $31.26 after tax. If he left a 25% tip on that amount, how much was his total after tax and tip?
What is $39.08
500
Jada is buying two puppies for Christmas. The first puppy is $115 and the second puppy is $687. If the seller gives Jada 10% off the first puppy and 16% off the second puppy, how much would Jada have to pay for both puppies?
What is $680.58
500
Oakley bought an Andy Warhol original painting for $17,345. If this is 20% off the original cost, how much is the retail value of the painting?
What is $21,681.25
500
A particular car is 18 ft long. A model of it was built with a scale of 3.2 in : 5 ft. How long is the model?
(Round to the nearest hundredth if necessary)