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CHAPTER 2 REVIEW

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QUESTION 1 m 9 = 11

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QUESTION 2 6(t + 5) = 36

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QUESTION 3 8j 5 + j = 67

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QUESTION 4 0.5(s + 5) = 7.5

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QUESTION 5 n + 8.5 = 14.2

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QUESTION 6 8p 3 = 13

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QUESTION 7 Your test scores for the semester are 87, 84, and 85. Can you raise your test average to 90 with your next test?

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QUESTION 8 You spend of your allowance each week on school lunches. Each lunch costs $1.25. How much is your weekly allowance?

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QUESTION 9 4h + 5 = 9h

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QUESTION 10 2(3x 6) = 3(2x 4)

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QUESTION 11 7t = 80 + 9t

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QUESTION 12 A DVD club charges a monthly membership fee of $4.95 and $11.95 for each DVD purchased. If a customers bill for the month was $64.70, how many DVDs did the customer purchase?

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QUESTION 13 A shoppers discount club charges a monthly fee of $15 and sells gasoline for $2.05 per gallon. The gas station across the street sells gasoline for $2.35 per gallon and charges no fee. How many gallons of gasoline would you have to buy in one month to spend the same amount at either store?

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QUESTION 14 A lawyer charges $100 per month to be put on retainer for a client. The lawyer also charges an hourly rate of $75 for work done. How many hours does the lawyer have to work for a client, in one month, to charge $625?

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QUESTION 15 Solve each equation for y. Then find the value of y for each value of x. x = 9 3y; x = 3, 6, 12

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QUESTION 16 Solve each equation for y. Then find the value of y for each value of x. y + 3x = 8; x = 2, 0, 2

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QUESTION 17 Solve for x. c = b bx

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QUESTION 18 Solve for x. px + qx = r

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QUESTION 19 Round to the nearest tenth. Use 3.14 for pi. What is the radius of a circle with a circumference of 15 cm?

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QUESTION 20 What is the height of a triangle that has a base of 8 in. and an area of 28 square inches?

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QUESTION 21 Convert. a. 12 feet = ___________________ inches b. 350 cm = ___________________meters c. 225 min = ____________________hours

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QUESTION 22 One bakery is selling 6 muffins for $7.25. Another bakery is selling 8 muffins for $9.29. Which bakery has the better deal?

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QUESTION 23 A 12-ounce can of green beans is sold for $1.45. What is the price per pound?

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QUESTION 24 A sailboat is traveling at a speed of 10 nautical miles per hour. If 1 nautical mile is 6076 ft, what is the speed of the sailboat in feet per second?

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QUESTION 25

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QUESTION 26

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QUESTION 27 You are planting a vegetable garden with 10 rows. If it took 24 minutes to plant the first 3 rows, how long will it take to plant all 10 rows of the garden?

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QUESTION 28 If 3 pizzas serve 12 people, how many pizzas are needed for a pizza party with 68 people?

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QUESTION 29 Approximately 8 out of every 25 families in the United States own dogs. If you asked 90 families, about how many of them would you expect to own dogs?

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QUESTION 30 The scale on a map is 1 in. : 15 mi. The distance between two cities is 25 mi. Find the distance in inches between the cities on the map

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QUESTION 31 Find each percent, part or base. a. What percent of 35 is 14? b. What percent of 48 is 36? c. What is 30% of 124?

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QUESTION 32 You deposit $750 in a savings account that earns simple interest at a rate of 2.5% per year. How much interest will you have earned after 5 years?

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QUESTION 33 Find the percent of change. a. 18 oz to 12 oz b. $4.50 to $5.00

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QUESTION 34 Find the percent of change. a. A $1500 computer is on sale for $1275. b. The value of a stamp collection increases from $160 to $180 in one year.

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QUESTION 35 The side lengths of the rectangle below have been measured to the nearest centimeter, as shown. What is the greatest possible percent error in finding the area f the rectangle? 9cm 15cm

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ANSWERS: Q1m = 20Q2t = -11Q3j = 8 Q4s = 10Q5n = -5.7Q6p = 2 Q7no, needs a 104Q8$6.25Q9h = 1 Q10identityQ11t = -40Q125 DVDs Q1350 gallonsQ147 hoursQ15x/3 + 3 = y; y = 2,5,7 Q16 y = 8 3x; y = 14,8,2 Q17x = (c-b)/-bQ18x = r/(p + q) Q19r 2.4Q20h = 7Q21144 in, 3.5m, 3.75 hrs Q22 8 muffins for $9.29 Q23about 12 centsQ24about 16.88 ft/sec Q25 a. m = -8, b. t = 1 Q26 a. j = 48, b. w = 26 Q2780 minutes Q2817 pizzasQ29 about 29 families Q30about 1.67 inches Q31 a. 40%, b. 75%, c.37.2 Q32$93.75Q33a. 33%, b. 11% Q34a. 15%, b. 12.5%Q359% error