Grade 8 Review #3

Solve for x=6

100

(x)(-3)(-4)(1/2)

36

200

(x)²(2)-16-(-12)+(x+x)

80

300

X² - (x+2) / x+1

4

400

x+x+x+x+(x²-3)(4)+(0/x)

156

500

2^x ÷ (x+2) x 4(-2)+1

65

solve for x

100

12x + 2x = 42

x=3

200

2/7x + 3 = 4/7x + 7

x = -14

300

3(x+2)-12<5(x-2) + 9

x>-5/2

400

5/6(18x-12)>20

x>2

500

3x+4<6x+7

x>-1

Switch and Swap

100

3.45 as a percent

345%

200

75% as a fraction

75/100 = 3/4

300

30 is what % of 24

125%

400

90 is 75% of what #

120

500

How much would a bill be if your meal cost $55 and you are going to tip 20%

$66

Switch and Swap 2.0

100

1 and 3/5 as %

160%

8/5=160/100

200

55% of 20

11

300

what # is 65% of 60

39

400

What is 12% of 56.90

$6.83

500

If I leave a tip of $7.35 and my bill was $49, what % tip did I leave?

15%