Percent of a number
Set up the Percent Proportion for each
Fraction/Decimal
Percent to Decimal
Unit Rate/COP
100

20% of 110

22

100

80 is 25% of what number?

80/x = 25/100

100

Fractions → Decimals


9/12

0.75

100

Percent → Decimals 

98%

.98

100

32 pizzas and 8 kids.  How much pizza per kid?

4 slices

200

75% of 260

195

200

22 is 44% of what number?

22/x = 44/100

200

 Fractions → Percents      


3/10

30%

200

Percents → Decimals


25%

.25

200

The turkey needs about 12 minutes per pound to cook.  How long will a 12 pound turkey take to cook?

144 minutes or 2 hours and 24 minutes


300

28% of 575

161

300

450 is 75% of what number?

450/x = 75/100

300

Decimals → Percents


0.38

38%

300

Percents → Decimals


15%

.15

300

If it costs $47.50 for a family of 5 to go to the movies, how much does each ticket cost?

$9.50 per ticket

400

108% of 150

162

400

95 is 95% of what number?

95/x = 95/100

400

Decimals →  Percents


.56

56%

400

Percents  →  Decimals


44.3%

0.443

400

What is the constant of proportionality in the equation?

y = 3x

3

500

6% of 95

5.7

500

20% of what number is 18?

18/x = 20/100

500

Percents → Fractions          Simplified.   


 50%

1/2

500

Percents →Decimal

8.5%


.085

500

It takes 4 hours to crochet two scarves...write the equation that represents this proportional relationship.

y=2x

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