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Solving Proportions
WORD PROBLEMS
EQUATIONS
PERCENT Proportions
PARTY MIX
100

Solve for x. x/6 = 6/9

What is 4

100

Of 140 7th grade students, 15% earn the Presidential physical Fitness award. How many students earn the award? 

21 students

100
$1050 4.6% 2 years
What is $96.60 in 2 years
100

What number is 24% of 80?

20

100

A surfboards cost $240. The sales tax on a surfboard is $12. What is the percent of sales tax?

5%

200

Solve for x. x/2 = 9/6

What is 3

200

A salesperson receives a 2.5% commission on sales. What commission does the salesperson receive for $8,000 in sales?

$200

200
$250, 2.85%, 3 years
What is $21.380 in 3 years?
200

15 is what percent of 40?

37.5%

200

A bag of sand went from weighing 50 pounds to 35 pounds after some sand fell out of the bag. What is the PERCENT of change?

30% decrease

300

Solve for x. x/6 = 8/12

What is 4

300
* Cory charged a $600 TV on his credit card with an interst rate of 21%. If he has no other charges on the card, how much will he owe after one month?
What is $610.50?
300
$500, 3.75% 1 year
What is $18.75 in 1 year?
300

48 is 75% of what number?

64

300

Last week, you finished level 2 of a video game in 32 minutes. Today, you finish Level 2 in 28 minutes. What is your percent of change?

12.5% decrease

400

Solve for x. 6/10 = 18/x

What is 30

400
*Marcus has $1,800 from his summer job to invest. Suppose he invests the $1,800 for 2 years and earns $144. What is the rate of interst?
What is 4%?
400
$3,000, 5.5%, 2 years
What is $330 in 2 years
400

72 is what percent of 45?

160

400
What does I=prt stand for?
What is Simple interest=pricipal x rate(decimal) x time (years)