Solve for the variable.

Write the following comparisons as ratios. Simplify when appropriate.

- 10 boys to 25 students
- 96 apples to 42 pears
- $600 to $900
- 45 miles to 3 hours

Write the following as a unit rate.

- $4.99 for 16 ounces of turkey burger
- 40 computers to 460 students
- 18 teachers to 98 students
- 48 minutes to 15 appointments

Solve the proportion.

- Solve for .
- Solve for .
- Solve for .
- Solve for .

Write the decimal as a percent.

- 0.4567
- 2.01
- 0.005
- 0.043

Write each percent as a decimal.

- 23.5%
- 0.08%
- 0.025%
- 125.4%

Write each percent as a fraction.

- 78%
- 11.2%
- 10.5%

Solve using the Percent Equation.

- 32.4 is 45% of what number?
- 58.7 is what percent of 1,000?
- What is 12% of 78?
- The original price is $44 and the mark-up is 20%. What is the new price?
- An item originally priced $240 has a 15% discount. What is the new price?
- A pair of shoes originally priced $89.99 is discounted to $74.99. What is the percent of mark-down?
- A salon’s haircut rose in price from $10 to $14. What is the percent of mark-up?
- An item costing dollars decreased $48, resulting in a 30% mark-down. What was the original price?
- The width of a rectangle is 15 units less than its length. The perimeter of the rectangle is 98 units. What is the rectangle’s length?
- George took a cab from home to a job interview. The cab fare was $4.00 plus $0.25 per mile. His total fare was $16.75. How many miles did he travel?
- The sum of twice a number and 38 is 124. What is the number?
- The perimeter of a square parking lot is 260 yards. What are the dimensions of the parking lot?
- A restaurant charges $3.79 for of a pie. At this rate, how much does the restaurant charge for the entire pie?
- A 60-watt light bulb consumes 0.06
*kilowatts/hour*of energy. How long was the bulb left on if it consumed 5.56*kilowatts/hour*of energy? - A -foot-tall car casts a 33.2-foot shadow. Next to the car is an elephant casting a 51.5-foot shadow. How tall is the elephant?
- Two cities are 87 miles apart. How far would they be on a map with a scale of 5
*inches*: 32*miles?*

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Chapter 3 Review

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Hi! I have found this great resource at CK-12...

Chapter 3 Review

http://www.ck12.org/book/CK-12-Algebra-Basic/r1/section/3.9/
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