Ratios, Rates & Percent Knowledge-Based Download PDF

Questions

1. 1.

   A customer bought a bicycle priced at $450 before tax and paid a total of$486 at checkout including sales tax. What was the sales tax rate applied to the purchase?

   • A) 7.2%
   • B) 7.4%
   • C) 8.0%
   • D) 8.6%
2. 2.

   A customer paid a total of $62.50 for a restaurant meal, which included a$50.00 food bill, a 7% sales tax on the food bill, and a tip. What percent of the food bill was the tip?

   • A) 25%
   • B) 18%
   • C) 15%
   • D) 7%
3. 3.

   A borrower takes out a loan of $2,400 with an annual simple interest rate of 6.5%. How much simple interest will accrue on the loan over a period of 18 months?

   • A) $156.00
   • B) $280.80
   • C) $234.00
   • D) $2,808.00
4. 4.

   A shopper paid a total of $265 for a lawn mower, which included a 6% sales tax. What was the amount of sales tax paid on the purchase?

   • A) $15.00
   • B) $15.90
   • C) $14.95
   • D) $16.20
5. 5.

   A retail store sells a skateboard for $168 after marking up the wholesale cost by 40%. What was the wholesale cost of the skateboard?

   • A) $120
   • B) $100.80
   • C) $128.00
   • D) $235.20
6. 6.

   A portable speaker with an original price of $180 is sold on clearance for$117. What is the percent discount applied to the original price?

   • A) 35%
   • B) 65%
   • C) 53.8%
   • D) 29.4%
7. 7.

   A computer monitor has an original price of $240 and is on sale for 25% off. If a 7% sales tax is added to the discounted price, what is the total amount paid for the monitor?

   • A) $180.00
   • B) $196.80
   • C) $192.60
   • D) $201.60
8. 8.

   A deposit of $3,200 was placed into an account that earns an annual simple interest rate of 3.75$600 in total interest, for how many years was the money in the account?

   • A) 3 years
   • B) 4 years
   • C) 5 years
   • D) 6 years
9. 9.

   A chemist measured the mass of a synthetic compound to be 63.6 grams, which represents a 6% error above the accepted mass. What is the accepted mass of the compound?

   • A) 60 grams
   • B) 59.8 grams
   • C) 67.4 grams
   • D) 67.7 grams
10. 10.

    An investor deposited money into a savings account that earns an annual simple interest rate of 4.5%. If the account earned $540 in simple interest over a period of 4 years, what was the principal amount initially deposited?

    • A) $12,000
    • B) $3,540
    • C) $3,000
    • D) $300
11. 11.

    An item is discounted by 20%, and an additional 15% discount is applied to the reduced price at checkout. What single percent discount is equivalent to these two successive discounts?

    • A) 35%
    • B) 68%
    • C) 32%
    • D) 17.5%
12. 12.

    In a physics laboratory, the accepted value for the speed of sound in air is 340 meters per second. If a student's experimental measurement has a 3.5% error and is lower than the accepted value, what is the student's measured value?

    • A) 351.9 m/s
    • B) 336.5 m/s
    • C) 328.5 m/s
    • D) 328.1 m/s
13. 13.

    A borrower took out a simple interest loan of $4,800 and paid$792 in total interest over 3 years. What was the annual interest rate of the loan?

    • A) 4.8%
    • B) 5.5%
    • C) 6.0%
    • D) 16.5%
14. 14.

    A store bought a jacket for $75 wholesale and priced it at$105 for retail sale. What was the percent markup based on the wholesale cost?

    • A) 28.6%
    • B) 30%
    • C) 40%
    • D) 71.4%
15. 15.

    A pair of noise-canceling headphones is on sale for $136 after a 15% discount off the original price. What was the original price of the headphones?

    • A) $160
    • B) $156.40
    • C) $115.60
    • D) $151.00
16. 16.

    A diner's restaurant bill before tax and tip is $75.00. If an 8% sales tax and an 18% tip are each calculated on this original bill, what is the total amount paid?

    • A) $94.50
    • B) $95.58
    • C) $88.50
    • D) $19.50
17. 17.

    An investor deposits $2,500 into a savings account that earns an annual simple interest rate of 4.5%. What is the total balance in the account at the end of 6 years if no additional deposits or withdrawals are made?

    • A) $675
    • B) $3,175
    • C) $2,612.50
    • D) $3,400
18. 18.

    A student measures the volume of a liquid sample to be 184 milliliters, but the actual volume is 200 milliliters. What is the percent error of the student's measurement?

    • A) 16%
    • B) 8.7%
    • C) 8%
    • D) 92%
19. 19.

    A store buys a winter coat from a supplier for $120 and marks up the price by 40%. Later, the store puts the coat on sale at a 25% discount off the marked price. What is the final sale price of the coat?

    • A) $102.00
    • B) $138.00
    • C) $126.00
    • D) $168.00