Ratios
If there are 21 students in the class and 12 of them are girls, what is the ratio of boys to girls
9 : 12
Convert 1/5 into a percent
20%
Convert 0.64 into a percent
64%
What percent of 20 is 3?
15%
24% of 35
8.4
An animal shelter has a ratio of cats to dogs that is 9:7. If the shelter only has cats and dogs, what is the ratio of dogs to total animals?
7:16
Convert 3/10 into a percent
30%
Convert 1.22 into a percent
122%
What percent of 30 is 24?
80%
9% of 124
11.16
In 1 hour, 32 cars pass through a particular intersection. At the same rate, how long would it take for 96 cars to pass through the intersection?
3 hours
Convert 11/20 into a percent
55%
Convert 0.05 into a percent
5%
What percent of 110 is 71.5?
65%
70% of what number is 112?
160
Jessica is buying several bunches of bananas for a fundraiser. She can buy 10 pounds for $14.90 or 8 pounds for $12.08. Which is the better buy?
10 pounds
Your friend shows you a coin collection. In it, 45/50 of the coins are quarters. What percent of the coins are quarters?
90%
Convert 1/2% into a fraction
1/200
What percent of 72 is 43.2?
60%
7.5% of what number is 15?
200
April can buy a package of 10 folders for $1.20 or a package of 8 folders for $1.12. What is the unit price, per folder, in each package?
10 pack - $0.12
8 pack - $0.14
In a race, 19 out of 50 runners finished in fewer than30 minutes. What percent of the runners finished in fewer than 30 minutes?
Convert 0.7% into a fraction
7/1000
What percent of 64 is 67? (Round to the nearest hundredth)
104.69%
What is 2.25% of 24?
0.54