For the test, be sure to show all work! PROBLEMS: ANSWERS: For problems 1 9, simplify the expression ( ) Evaluate if x = -2 and y = 1 8.

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1 Pre-algebra For the test, be sure to show all work! PROBLEMS: For problems 9, simplify the expression.. 9 ( 7) Ch / Review ( 87) + ( ) ( ) Evaluate if x = - and y = 5y x 8. y 8.

2 ( 0x + 4) 0. Solve the following equations:. 9x + x = 60.. = y y.. 5m = x ( n ) = ( + x) = 4x 5.

3 Pre-Algebra PROBLEMS: Chapter 4 Review For problems 4, perform the indicated operations. Simplify to lowest terms, if possible. Write as fractions. (Do not use decimal answers for any problems on the test.) m m a

4 m 8. 8n 8n a a. b 4b

5 5. The Minnie Mouse Drama Group is planning a barbeque. If they have purchased 7 pounds of 4 hamburger for the barbeque, how many pound 4 5. hamburgers can they make? 6. Find the area of rectangle with a width of and a length of 7 m. 5 m One batch of low-cholesterol turkey chili calls for lb of roasted turkey breast. How much turkey is needed for 5 batches?. 7. For problems 8-0, solve the equation. x x 8. + = x = b =

6 Pre-algebra For the test: Be sure to show all work! PROBLEMS: Write in words Chapter 5 Review. For problems -6, perform the indicated operations. Round to the nearest thousandth if necessary (.0450) ( ) 5. Insert <, >, or = to make a true statement [] Write the decimal as a fraction. Simplify to lowest terms

7 For problems 8-9, write the fraction as a decimal. Round to the nearest thousandth, if necessary For problems 0-, perform the indicated operations and simplify ( ) x x +.0x For problems -4, find the square root and simplify. Round to the nearest thousandth, if necessary Evaluate vt + at when v = 5 and t =. and a = 0 5.

8 6. A 4.5 ft. beam is to be attached to a vertical beam.5 ft. above a horizontal support beam. How long must the horizontal support beam be to attach to the bottom of the 4.5 ft. beam? Hamburger meat is on sale at $.89 a pound. How much will you pay for.5 pounds of hamburger to the nearest cent? Find the circumference of a circle with a radius of. cm. Give an exact measurement and an approximate measurement. Use.4for π. 8. Find the area of the triangle. 9. ft ft. Solve. 0..6n ( n.) = 0( 0.4n ) 0.

9 Pre-algebra For the test, be sure to: Show all work! PROBLEMS: For problems -, write each percent as a decimal.. 0.6%. Ch 6/7 Review. 55%.. 7.5%. For problems 4-6, write each decimal as a percent For problems 6-9, write each percent as a fraction in simplest form % 7.

10 8. 6 % % For problems 0-, write the fraction as a percent. Round to the nearest hundredth if necessary For problems -0, solve the problem. Round to the nearest hundredth if necessary.. What is 40% of 7500? is 5.5% of what number? What percent of 540 is 4.? 5.

11 6. The number of violent crimes in a city decreased from 675 to 54. Find the percent of decrease. Round to the nearest tenth A sales tax of $.5 is added on to an item s price of $5.99. Find the sales tax rate. Round to the nearest whole percent a. A stereo system has a purchase price of $46. If the sales tax is 8.%, what is the tax on the item? 8. b. What is the total purchase price? 9. Find the simple interest earned on $000 saved for years at an interest rate of 9.5% $65 is compounded annually at 8%. Find the total amount in the account after 5 years. 0.

12 . Write the ratio in simplest form..5 centimeters to 75 centimeters... Write the rate in simplest form. 6 professors for 0 graduate research assistants... State which product is the better buy. Show your work.. Peanut Butter: 8 ounces for $.50 5 ounces for $ Solve the proportion. = 6 m On an architect s blueprint, inch = feet. Find the length of a wall represented by a inch line on the blueprint

13 Pre-algebra PROBLEMS For problem, find the mean, median and mode for the following list of values.. 560,60,,400,40,00,400,780,40,450 Chapter 8/9 Review ANSWERS -a. -b -c For problems -5, graph the equation. Use a t chart to locate your points. Show your work.. x y =. y = 4x

14 4. y =. 5. x = 4

15 Pre-algebra For the test: Be sure to show all work! PROBLEMS:. Write as a unit fraction: pies to 48 people. Final Review. o. Find the supplement of a 0. angle.. For problems -7, use the order of operations to simplify.. ( ) ( 6 8) ( 8 4)

16 For problems 8-9, write as a percent. Round to the nearest thousandth, if necessary For problems 0-, write as a fraction. Simplify if necessary %.. 6.4% For problems -4, write as a decimal. Round to the nearest thousandth, if necessary % Evaluate xy y when x = 4 and y = 0 5.

17 6. Combine like terms. 4 9x x x + 4x + x 4. 9 x Multiply. 4 x x + ( ) Multiply and simplify. 9x 5y 0y x Divide and simplify. 0m 5 9n n 9. For problems 0-4, solve and check. 0. m 5 = 0.. t 7 = 5 4.

18 . 6.5h 6.4 = 9h ( n 5) + 8 =.6n u 4 = 8 For problems 5-8, use the unit fraction for the conversions ft. to yards lb. to tons ml to liters. 7. 4

19 m to cm. 8. Convert. Round to the nearest hundredth if necessary. o F to degrees Celsius. 9. Convert. Round to the nearest hundredth if necessary. o 0. 0 C to degrees Fahrenheit. 0. For problems -, use.4 for π.. Calculate the volume of a can that is height and has a radius of inches. 7 inches in 9.. Calculate the volume of a ball with a in diameter.. For problems -4, round to the nearest tenth if necessary.. A restaurant increases its prices on a dish from $8.95 to $9.75. What is the percent of increase?. 5

20 4. Katrina answered 45 questions out of 70 correctly. What percent of the total questions did she answer correctly? How much simple interest is earned if $680 is invested at 4.% for a half year? $00 is invested at 6% APR compounded semiannually. What will be the balance in years? Calculate the mean, median and mode for the following set of ages of participants in a survey. 7. 8,,45,65,54,8,9,5,6,,40 8. Graph the following equation. Use a t chart to find your points. Keep the graph in units of. x + y = 6