1. Chapter 2 Review

2. Question 1
m – 9 = 11

3. Question 2
6(t + 5) = –36

4. Question 3
8j – 5 + j = 67

5. Question 4
0.5(s + 5) = 7.5

6. Question 5
–n = 14.2

7. Question 6
8p – 3 = 13

8. 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?

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

10. Question 9
4h + 5 = 9h

11. Question 10
2(3x – 6) = 3(2x – 4)

12. Question 11
7t = t

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

14. Question 13
A shopper’s 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?

15. 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?

16. 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

17. 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

18. Question 17
Solve for x. c = b – bx

19. Question 18
Solve for x. px + qx = r

20. 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?

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

22. Question 21 Convert. 12 feet = ___________________ inches
350 cm = ___________________meters
225 min = ____________________hours

23. Question 22
One bakery is selling 6 muffins for $ Another bakery is selling 8 muffins for $ Which bakery has the better deal?

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

25. 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?

26. Question 25
Solve each proportion.
3 4 = −6 𝑚
𝑡 7 = 3 21

27. Question 26
Solve each proportion.
9 𝑗 = 3 16
2 5 = 𝑤 65

28. 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?

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

30. 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?

31. 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

32. Find each percent, part or base.
Question 31
Find each percent, part or base.
What percent of 35 is 14?
What percent of 48 is 36?
What is 30% of 124?

33. 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?

34. Find the percent of change.
Question 33
Find the percent of change.
18 oz to 12 oz
$4.50 to $5.00

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

36. 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?
15cm
9cm

37. Answers: Q1 m = 20 Q2 t = -11 Q3 j = 8 Q4 s = 10 Q5 n = -5.7 Q6 p = 2
no, needs a 104 Q8
$6.25 Q9
h = 1
Q10
identity
Q11
t = -40
Q12
5 DVD’s
Q13
50 gallons
Q14
7 hours
Q15
x/3 + 3 = y; y = 2,5,7
Q16
y = 8 – 3x; y = 14,8,2
Q17
x = (c-b)/-b
Q18
x = r/(p + q)
Q19
r ≈ 2.4
Q20
h = 7
Q21
144 in, 3.5m, hrs
Q22
8 muffins for $9.29
Q23
about 12 cents
Q24
about ft/sec
Q25
a. m = -8, b. t = 1
Q26
a. j = 48, b. w = 26
Q27
80 minutes
Q28
17 pizzas
Q29
about 29 families
Q30
about 1.67 inches
Q31
a. 40%, b. 75%, c.37.2
Q32
$93.75
Q33
a. 33%, b. 11%
Q34
a. 15%, b. 12.5%
Q35
9% error