Study

Unit 2 Solving Percent Problems

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  • A swimsuit is on sale for $45.50. If the sale price is discounted 5% from the original price, what was the original price?
    $47.89
  • How much simple interest will Aden earn if he invests $500 at 3.24% interest rate for three years?
    $48.60
  • Sam deposits $400 in the bank at a 2.55% interest rate. How much interest does he earn in 8 months?
    $6.80
  • If a hotel charges $87 per night and a 12% hotel tax, what is the total bill for a three night stay?
    $292.32
  • Write 1.26% as a decimal
    0.0126
  • Senora Zirilli expected 99% attendance in her classes. Several students were absent, so she actually had 83% of her students in class. What is her percent error? Round to the nearest tenth of a percent.
    19.3% error
  • A hotel charges $215 a night. After hotel tax, the total bill is $238.65. What is the tax rate as a percent?
    11%
  • Alex thought he would score an 83 on the test. He actually scored a 90. What was his percent error? Round to the nearest percent.
    8% error
  • Write 208.6 as a percent
    20,860%
  • Write 129.6% as a decimal
    1.296
  • Jacoby borrows $1500 to start his lawn mowing business with a loan that has a 4.5% interest rate. How much TOTAL will he have to repay if he takes a 3 years and six months to repay it?
    $1736.25
  • Madison made 24 friendship bracelets last week. This week, she made 32. What is the percent change? Round to the nearest tenth of a percent.
    33.3% increase
  • What is the sales tax on a pair of $45 jeans with a 6.5% sales tax?
    $2.93
  • How much will the interest cost Ian if he takes out a $3050 loan on a car at a 6% interest rate for 5 years?
    $915
  • If a pair of Nike Air sneakers have a list price of $159.78 and there’s a special 30% discount one day, what will the total price be?
    $111.85
  • How much tax does Riley owe if she buys a bicycle for $350. The local tax rate is 7 3/4 %
    $27.13
  • Mike’s family went out for dinner. The bill was $78.35. The local tax rate is 6.25% and they intend to leave a 20% tip after the amount with the tax. What was the total bill? Round to the nearest cent.
    $99.90
  • The weatherman predicted that it would rain 0.3 inches. It actually rained 0.95 inches. What is the percent error? Round to the nearest tenth of a percent.
    68.4% error
  • How much TOTAL money will Kirsten have at the end of 5 years if she deposits $750 in a simple interest savings account with a 3.5% interest rate?
    $881.25
  • Write 0.09 as a percent
    9%
  • Jon paid $4.20 in taxes. The tax rate is 7%. What was the price of the item?
    $60
  • The Garcia family went out for dinner. Their meal cost $54.23. They wish to leave a 22% tip. What was their total bill? Round to the nearest cent.
    $66.16
  • Hailey earns $618.25 in interest. She deposited $5500 in a savings account for 4.5 years. What was the interest rate?
    2.5%
  • Liam scored 4 goals in his hockey tournament last weekend. This weekend, he scored 3. What is the percent of change? Round to the nearest percent.
    25% decrease
  • Ben’s family is shopping for a new car. The selling price of the car is $24199.50. Ben researches to find out the wholesale cost of the car is $22,100.00. What is the percent of markup? Round to the nearest tenth of a percent.
    9.5% markup
  • Write 37.9% as a decimal
    0.379