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Percents
100
Clara wants to buy a shirt that costs $32. How much will it cost if the sales tax is 3.4%? Round up to the nearest cent.
What is $33.09
100
Christmasville's population went from 29,450 people to 41,600 in five years. What was the percent of change?
What is 41% increase (or 41.3% if rounded to nearest tenth)
100
A factory went from having 1,500 employees to having 1,125 employees last year. Write an expression to show the percent of change.
What is (1500-1125) / 1500
100
A store marks up the price of tents 15%. Write two expressions for how to find the retail price of an item with an original cost of t dollars.
What is 1.15t OR t + .15t
100
A candy shop marks down the price of all their candy by 35% after the holidays. Write two expressions that would show how much the candy will cost. Use c for the cost of the candy.
What is c - (.35c) OR .65c
200
A store buys baseball bats for $8.50 a bat. If they want to make a 28% profit, how much should they charge as the retail price?
What is $10.88 a bat
200
Frank spends $56 on tools to fix his car. If the sales tax is 7%, what was the total cost of his tools?
What is $59.92
200
What is the annual interest for a principal balance of $2,750 at a simple interest rate of 1.9%?
What is $2,802.25
200
Write two expressions to find the total cost of a table that costs $320 with a sales tax of 6.5%.
What is 320(1.065) OR 320 + (320(.065))
200
Our schools population increased from 540 to 624 this year. Find the percent of change.
What is 16%
300
A store is marking up the price of sneakers by 36%. What will be price of a pair of sneakers that cost $69.99?
What is $95.19
300
A store is having a sale for 15% off all items after the holidays. What will be the cost of a toy that originally costs $29.50?
What is $25.08
300
A store marks up computers 34%. Write two expressions for the cost of a computer with an original cost of c dollars.
What is 1.34c OR c + .34c
300
Write an expression to model how to find the percent of change from 250 apples to 375 apples.
What is (375-250) / 250
300
Lucy bought two pairs of shorts for $18 each. Then when they went on sale for 60% she bought four more shorts. How much did she pay in all for all six pairs of shorts?
What is $64.80; 18(2) = 36; 18(0.4) = 7.20 x 4 = 28.80; 36 + 28.80 = 64.80
400
A families restaurant bill before tax is $70.50. If the sales tax is 6.5% and they want to leave a 20% tip, what is the total cost of the meal?
What is $89.18; 70.50 x .065 = 4.58 (sales tax). 70.50 x .2 = 14.10 (tip). 70.50 + 4.58 + 14.10 = 89.18
400
Write two expressions to find the cost of a desk (d) that is 25% off.
What is .75d OR d - 0.25d
400
Tina went to get her hair done. The cost of a color and cut is $89. Sales tax is 7% and she wants to leave a 15% tip for her hairdresser. How much will she pay in all?
What is $108.58; 89 x .07 = 6.23 (sales tax); 89 x .15 = 13.35 (tip); 89 + 6.23 + 13.35 = 108.58
400
Zadie invested $4,500 with a simple interest rate of 2.3%. What is the total amount she will have after 2 years?
What is $4,707; 103.50 x 2 =207; 207 + 4,500 = 4,707
400
Corey put $6,000 into a savings account with a simple interest rate of 1.5%. What will be his total amount after 4 years?
What is $6,360; 6000 x .015 = 90 so 90 x 4 = 360. 6000 + 360 = 6,360
500
George wants to buy a bike that costs $149. In Fairview the sales tax is 4.6%. In Hayville sales tax is 2.7%. How much more will George pay for the bike if he buys it in Fairview?
What is $2.83 cents more in Fairview. It will cost $155.85 in Fairview and 153.02 in Hayville.
500
The price of a table that was $340 increased by 9% last year. Now it is on sale for 30% off. What is the sale price?
What is $259.42
500
Which is the greater percent of change: $50 to $80 or $140 to $105?
What is $50 to $80. 60% change for $50 to $80. 25% change for $140 to $105.
500
After the holidays a book store put all their books on sale for 25% off. Carmen bought 3 books for $20 each before the holidays. Then she went back and bought two more books when they went on sale. How much did the five books cost in all?
What is $90; 60 + 15(2) = 60 + 30 = 90
500
Katie paid $46.64 including tax for an item that was originally $44. What would she pay for another item originally marked $50?
What is $53.00
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