Chapter 6 review

Decimals

100

Convert 0.34% to a decimal 

.0034 

200

Convert 1.323 to a percent

132.3% 

300

Convert 1.0 to a percent 

100% 

400

Convert 56.82% into a decimal 

0.5682 

500

Convert 4.792 into a percent 

479.2% 

fractions

100

Convert 29% to a fraction (in simplest form)  

 29/100 

200

Convert 80% into a fraction (in simplest form) 

 4/5 

300

convert to a percent 

 3/8 

37.5% 

400

Convert to a percent  9/20 

45% 

500

Convert to a percent 

 5/16 

31.3%

percent problems

100

9% of 40 is what? 

3.6 

200

36 is 40% of what number? 

90 

300

38% of 11 is what? 

4.18 

400

70 is 14% of what number? 

500 

500

What percent of 145 is 29? 

20%

percent of change

100

30 is increased to 45

50% 

200

116 is increased to 145, what is the percent change? 

25% 

300

115 is decreased to 46, what is the percent change? 

60% 

400

129 is decreased to 32, what is the percent change? 

75.2% 

500

You go out to eat with your friends at Applebees. You want to tip 15%. Your bill was $16. What is the final amount you will pay? 

$18.40

simple interest

100

I = ???, P = $500 , r= 5% , t= 1 year 

Find the missing value. 

I = $25

200

I = $702 , p= $1,200 , r= 3.9% , t=??? 

Find the missing value 

t= 15 years 

300

I = $468 , p = $900 , r = ??? , t= 8 years 

Find the missing value 

r = 6.5% 

400

I = $455 , p= ??? , r =7% ,  t = 5 years 

Find the missing value 

$1,300

500

Brandon deposits $6000 in an account that earns 5.5% simple interest paid annually. How long will it be before the total amount is $9000? 

Just over 9 years