Percentages

Find the percentage

100

3/4

75%

200

1/4

25%

300

30/100

30%

400

23/50

46%

500

5/8

62.5%

Decimal/Fraction to Percent

100

0.23

23%

200

25/50

50%

300

0.02

2%

400

75/400

25%

500

0.625

62.5%

Percent of a Quantity

100

15% of 300

45%

200

80% of 3285

2628

300

48% of 925

444

400

40% of 24

9.6

500

75% of 16

12

Discount and Interest

100

$29

15% off

$24.65

200

$170

20% off

$136

300

$12,000

4% interest

$12480

400

$5,000

3% interest

$4850

500

$900

6% sales tax

$846

Word Problems

100

There are 200 jackets in a store. 60% of the jackets are brown. How many brown jackets are there?

120 brown jackets

200

The usual price of a hot tub is $3200. During a sale it is 20% off. How much did the hot tub cost with the discount?

$2560 was the cost of the hot tub with the discount.

300

There were 300 teachers and students at movie night. There were 150 prek-2nd grade students and 75 3rd-5th grade students. What is the percentage of teachers at the movie night?

25% of the people at movie night were teachers.

400

There are 50 students in a class. 20% of the class did not hand in their homework. How many students did hand in their homework?

40 students did hand in their homework.

500

A ring costs $130 before sales tax. There is a 7% sales tax on the ring. Jack drew a model to find the cost of the necklace. 

_______93%_______/___7%__

             $130                  $?

Explain Jack's mistake?

Jack subtracted the sales tax from the total percentage cost.