Algebra Review

SOLVING EQUATIONS

100

Solve x + 4 = 10

x = 6

200

Solve m/3 + 5 = 10

m = 15

300

5c - 12 = 3c + 22

c = 17

400

2(x + 2) = 18

x = 7

500

6b - 11 = -3b + 16

b = 3

INEQUALITIES

100

Solve the inequality:

5p + 5 > 15

p > 2

200

Solve the inequality:

5x - 5 < 30

x < 7

300

solve -2x > - 14

x < 7

400

-3(m + 5) < 15

m > -10

500

p/5 - 7 < - 2

p < 25

PERCENTS

100

What is 17% of 125?

21.6

200

What is 25% of 146?

36.5

300

40% of what number is 38?

95

400

35 is what percent of 200?

17.5

500

38 is what percent of 100?

38%

PERCENTS-TAX AND TIPS

100

If the tax rate is 8%. What is the tax on a $17.00 shirt?

$1.36

200

If a restaurant bill is $24. How much would a 15% tip be?

$3.60

300

If a dozen roses costs $36, and the tax rate is 7%, what is the total cost plus the tax?

$38.52

400

If a car cost $15,000, and the tax rate is 9%, how much tax is paid on the car?

$1350.00

500

If a bill at a restaurant is $250, how much tip would 15% be? What would be the total bill plus tip?

$37.50; $287.50 total

MEAN, MEDIAN, MODE

100

given the set: 3, 6, 4, 9, 12, 6, 8 find the mode

The mode is 6.

200

given the set: 12, 16, 20, 14, 17,13, 14

The mean is 15.1

300

What is the Median of the set: 4, 6, 8, 5, 3 ?

The Median is 5

400

What is the Mean of the set: 40, 56, 33, 65, 46 ?

The Mean is 48.

500

What is the median of the set: 40, 56, 33, 65, 46, 48?

The Median is 47.