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#1 An ice cream shop had 316 customers the first weekend it opened. The second weekend it had 468. What is the percent of increase in the number of customers?
48%
#7 Julia wants to purchase a pair of headphones that cost $42.79. The sales tax is 6%
a) Calculate the tax.
b) Calculate the grand total.
a) $2.57 tax
b) $45.36 total
#10 The wholesale cost of a pair of sandals at a shoe store is $22.60. The markup for the sandals is 45%. What is the selling price of the sandals?
$32.77
#15 Rebecca's savings account pays a simple annual interest rate of 2.5%. Suppose she deposits $4,280 in the account and makes no additional deposits or withdrawals for 4 years. What will be the total value of the account after 4 years?
$4,708
#3 Trey had 440 songs on his MP3 player. Now he has 473 songs. What is the percent of increase in the number of songs on his MP3 player? Round to the nearest tenth percent if necessary.
7.5%
#9 Decide if the following tips are 18% of the subtotal.
a) $23.27 tip on a $129.50 bill
b) $17.71 tip on a $98.40 bill
c) $22.75 tip on a $142.17 bill
a) no
b) yes
c) no
#12 A set of curtains normally sells for $58.99. Roberta used a coupon good for 20% off the regular price. To the nearest cent, how much did Roberta pay for the curtains?
$47.19
#16 Mr. Williams borrows $1,650 at a rate of 12.5% per year. How much simple interest will he owe if it takes 9 months to repay the loan?
$154.69
#4 Reggie bought 40 tokens to use at a family fun center. He used some of the tokens and now has 28 tokens left. What is the percent of decrease in the number of tokens?
30%
#17 Selma bought some art supplies from an online retailer. For shipping, the retailer charges a $6.95 flat fee or 8% of the total purchase, whichever is greater. If Selma's total purchase is $84.95, how much shipping will she pay?
$6.95
#13 Determine if the following could represent regular and sale prices of items in the store during a 15% off sale.
a) regular price: $18.21, sale price $14.57
b) regular price: $65.15, sale price: $55.38
c) regular price: $119.23, sale price: $104.25
a) no
b) yes
c) no
#6 Manny is a realtor and earns 3% commission on the sale of a house. If the house sells for $155,000 how much commission would he earn?
$4,650
#18 At sea level, the boiling point of water is 212 degrees F. Collin says that water boils at around 200 degrees F. What is the percent error in Collin's estimate? Round to the nearest tenth percent.
5.7%
#8 Terrance paid $1.43 in sales tax on a purchase of $26. What is the sales tax rate?
5.5%
#11 A sporting goods store pays a wholesale price of $39.20 for a skateboard and it sells for $58.80. What is the percent markup?
50%
#5 Mr. Gomez earns a 5.4% commission on his total sales for the month. If he wants to earn at least $3,500 in commission this month, what is the minimum amount he needs to sell? Round to the nearest dollar.
$64,815
#14 A gaming system is on sale for $254.15 which is 15% off the original price. Find the original price of the gaming system.
$299
Kelly has a job in sales that pays only a commission of 24% of her total monthly sales. She is offered a new job with a monthly salary of $3,750 with a commission of 9.5% on her total monthly sales over $12,500. If her monthly sales are $20,000, which job will pay more? By how much?
Current job by $337.50
#19 During a sale at a furniture store, sofas were marked down 30%. You have a coupon for an additional 15% off. What is the final price of a sofa that originally cost $550?
$327.25
#2 Molly spends 90 minutes watching TV, which takes up 25% of her time.
If homework takes up 40% of her time, how many minutes does she spend doing homework?
144 minutes