Missing Quantities
Converting from Decimals to Fractions
Converting Ratios and Percentages
Decimals-percentage
Potpourri
100

What is 6% of 20?

30

100

Convert 0.6 to a fraction

6/10

100

What is 12/25 as a percent?

48%

100

Convert 0.1 to a percent

10%

100

Hanna got 75% of her quiz questions correct.  If the test had 48 questions, how many questions did she get WRONG?

12 questions were wrong.

200

12 is what percent of 48?

25%

200

Convert 0.85 to a fraction


85/100

200

What is 2/5 as a percent?

40%

200

Convert 0.9 to a percent

90%

200

There are 75 primates at the zoo.  If this is 15 percent of all the animals at the zoo, how many total animals are there?

There are a total of 500 animals at the zoo.

300

15 is 30% of what number?

50

300
Convert 0.64 to a fraction and simplify

16/25

300

Convert 14% into a ratio?

7/50

300

Convert 1.2 to a percent

120%

300

 Which fraction DOES NOT represent 20% AND what percent is that fraction?

7/35        3/15      4/16      2/10

4/16 equals 25%

400

17 is 68% of what number?

25

400

Convert 1.25 to a fraction

125/100

400

What is 1/2 of 3/5ths as a percent?

30%

400

Convert 0.234 to percent

23.4%

400

A car drives 75 miles per 6 gallons of gasoline.  If they have driven 25% of the trip, how much gasoline did the use for the entire drive?  Use proportions to find your answer.

A total of 24 gallons of gasoline was used.  

500

1/2 is 20% of what number?

2.5 or 2 1/2

500

Convert 0.125 to a fraction and simplify

1/8

500

What percent is 3/5 of 25?

60%

500

Convert 0.005 to a percent

0.5% or 1/2%

500

A student has a 500 ml bottle of water. She drank 25% of the water before soccer practice.  After practice she drinks an additional 1/3 of the water. How many milliliters of water is still in the bottle? 

250 milliliters