3.9: Chapter 3 Review Difficulty Level: At Grade Created by: CK-12 CK-12 Algebra - Basic Linear Equations Read Resources Details 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? Image Attributions Description No description available here... Tags: CK.MAT.ENG.SE.1.Algebra-Basic.3 equations equivalent equations (7 more) indirect measurement inverse operations percent equation proportions ratios scale variable equations Subjects: mathematics Grades: 8 , 9 Date Created: Feb 22, 2012 Last Modified: Dec 11, 2014 You can only attach files to None which belong to you If you would like to associate files with this None, please make a copy first.