Dividing fractions
A recipe calls for 3/4 teaspoon of vanilla extract. If you only want to make half the recipe, how much vanilla extract should you use?
3/8 teaspoons
How many pounds of sugar is 3 gallons of liquid sugar?
1 gallon = 8 pounds so 3 gallons is 24 pounds
A recipe for making purple paint uses red and blue paint in a ratio of 5:3. How much blue paint is needed if you are using 25 cups of red paint?
15
A library has 250 books. 40% of the books are about science. How many science books are there in the library?
100 books
In a group of 200 students, 15% of them participate in the chess club. How many students are in the chess club?
30 students
What is 1/3 divided by 2/5?
5/6
A basketball player is 6 feet tall. How many inches tall is the player?
1 foot = 12 in so 6ft = 72 in
In a jar, there are 30 red marbles and 20 blue marbles. What is the ratio of red marbles to the total number of marbles in the jar? Simplify
3/5
A group of students collected $120, which is 15% of the total amount they need to raise for a charity. How much money do they need to raise in total?
$800
At a fruit stand, there are 48 apples and 32 bananas. What is the ratio of apples to bananas? Simplify
3:2
A recipe calls for 2/3 cup of sugar, but you only have a 1/4 measuring cup. How many times will you need to fill the 1/4 measuring cup to get 2/3 cup of sugar?
8/3 which is 2 2/3
A watermelon weighs 5 pounds. How many ounces does it weigh?
1 pound = 16 ounces
5 pounds = 80 ounces
In a school, there are 300 students and 15 teachers. What is the ratio of students to teachers?
20/1 or 20:1
In a class of 30 students, 60% of the students are wearing glasses. How many students are wearing glasses?
18 students
A pizza is cut into 8 slices. If 3 of the slices are eaten, what is the ratio of slices eaten to slices remaining?
3:5
A car travels 3/4 of a mile in 1/8 hour. How many miles does the car travel per hour?
6 miles
A bag of flour weighs 2.5 kilograms. How many grams does it weigh?
1 kilogram = 1000 grams
2.5 kg = 2500 grams
A car travels 180 miles in 3 hours. If the car continues at the same speed, how far will it travel in 7 hours?
420 miles
A car is on sale for $4000, and that price represents 80% of the car’s original price. What is the original price of the car?
$5000
A recipe for cookies requires 2 cups of sugar for every 3 cups of flour and 2 eggs. If you want to quadruple the recipe how many eggs, cups of flour, and cups of sugar would you need?
8 eggs, 12 cups of flour, and 8 cups of sugar
A group of 5 friends needs to share 7/8 of a pizza equally. How much pizza will each person get?
7/40
There are 3 gallons of milk in the refrigerator. How many cups of milk are there?
1 gallon = 4 quarts
1 quart = 4 cups so
1 gallon = 16 cups so
3 gallons = 48 cups
A school has 240 students and 12 teachers. The school wants to add 4 more teachers. What will the new ratio of students to teachers be?
15:1
There are 500 students in a school, and 25% of them are in the drama club. How many students are in the drama club?
125 students
A school break lasts for 10 days. How many hours long is the break?
240 hours