Equations

one step

100

x + 4 = 11

x = 7

200

x - 7 = -10

-3

300

2x = 30

x = 15 

400

x / 5  = 50

x = 250

500

-3x = 30

x = -10 

two step

100

2x + 3 = 11 

x = 4

200

-32 + 10x = -22

x = 1

300

y / 4 - 16 = -14

y = 8

400

-6x +36 = -48

x  = 14

500

-11 = -47 - 12x

x = -3

inequalities

100

x - 11 < -3

x < 8

200

x + 4 < -2

x < -6

300

-4 > 2x

-2 > x

or x < -2

400

-3x > 24

x < -8

500

2x +12 < 40

x < 14

Percent's

100

70 is what percent of 250?250?

28%

200

What is 98% of 400?

392

300

There was a population of 40 bears in a National Park. After a year, the population increased by 40%.

 

How many bears are there in the park now?

50 bears

400

The farmer brought 60 acorn squash to the market. When the day was over, he had 50% less acorn squash.

 

How many acorn squash does the farmer have left?

30 acorn squash

500

On an assessment, 28% of the students scored above average, 54% of the students scored average, and the rest of the students scored below average. If 300 students took the assessment, how many students scored below average?

54 students 

C.O.P

100

A local bakery is having a sale on donuts. Three boxes of donuts cost $12.75. Use the formula y = kx to help you determine how much one box of donuts costs.

4.25

200

A 12.5 -inch candle burns down in 10 hours. At what rate does the candle burn, in inches per hour?

1.25

300

Adriel buys 7 bottles of apple juice at the corner store for a total cost of $5.25. If each bottle costs the same amount, how much is each bottle of juice?

.75

400

Mikala is making bracelets for her 7 friends. She has 245 beads to make bracelets of equal size. Use the formula y = kx to help you determine how many beads she will use per bracelet.

35 beads

500

Find the constant on the graph 

3/2 or 1.5