Module 2 Review

solving equations

100

2x+3=6

x=3/2

200

0.5y-2=6

y=16

300

The measure of one side of an equilateral triangle is (p-4) inches long. Which pair of expressions both represent the perimeter of this triangle?  

3(p-4) or 3p-12

400

solve for x:  0.50x+2(0.25x)+9 = 1

x= -8

Integers

100

2-(-7)

9

200

what is the absolute value of -18

18

300

5 x -8

-40

400

-2(4+2)-9

-21

markups and markdowns

100

Mark is going on vacation, the cost before any discount is $400. Mark has an employee discount and that will deduct 1/10 of the price. How much will mark pay after the discount?

$360

200

A jacket is originally $100 and is on sale for 25% off, what is the cost of the jacket after the sale?

$75

300

Lucy has a discount card that reduces the price of her dinner in a certain restaurant by 1/4 off of the total price. If y represents the cost of the dinner, which expression represents Lucy's bill before tax?  

y - (1/4 * y)

400

what is 1/12 as a decimal?

0.083333...