Percentage Change
% of a number
Slope-intercept form equations
Converting standard form into intercept form
Find the actual % between two numbers
100

During elementary school, Jayla received a weekly allowance of $10 for completing all of her chores. These days she receives 50% more. What is Jayla's weekly allowance now?

15.00$

100

What is 6% of 25?

7.5

100

What is the slope of the line y = -1/2x + 6?

-1/2

100

y = -11/3x -4

11x + 3y = -12

100

What is the percent of 50&200 

25%

200

Last semester, Kendra earned an average score of 90 points on math tests. So far this semester, her average score is 20% lower. What is the average of Kendra's scores this semester?

72 points

200

Convert 5/8 into a decimal

0.625

200

What is the y-intercept of the line y = -2x - 6?

-6

200

y = -3/4x - 8

y = -3/4x - 8

200

What is the percentage of 30&500

6%

300

Yesterday, Eddie went surfing and was out for 4 hours. Today, he spent 75% more time than yesterday riding waves. How long was Eddie out surfing today?

7 hours

300

12.What is 15% of 82?

12.3

300

What is the equation of a line that goes through the points (0, 1) and (3, 2)?

y = 1/3x + 1

300

y = 7/16x + 1/2

7x - 16y = -8

300

What is the percentage of 70&400

17.5

400

In the past, Tim got paid $105,000 annually. Since switching to a new career, he has been making $117,600 annually. What was the percent of increase in Tim's pay?

12%

400

200 people go to a store. 40% were men. How many other people went to the store?

120

400

What is the equation of a line that goes through the points (1, 1) and (-1, 5)?

y = -2x + 3

400

y - 9/2x - 5

9x - 2y = 10

400

What is the percentage of 45&60

75%

500

Victor loves to compete in triathlons. At a race a few months ago, he finished in 180 minutes. Yesterday, he completed another triathlon and finished in 162 minutes. What was the percent of decrease in Victor's finishing time?

10%

500

Homeless people received a package of 400 winter gloves. 30% were left-handed gloves. How many right handed gloves were there?

120 winter gloves

500

Rewrite in slope-intercept form: 3y + 12x + 6 = 0

y = -4x - 2

500

y = -4/7x + 5

4x + 7y = 35

500

What is the percentage of 62&80

77.5