Ratio 1
Hank uses 7 scrambled eggs to make 4 breakfast burritos. How many breakfast burritos does he make with 21 scrambled eggs?
12 breakfast burritos
The ratio of students who wear glasses to the total class is 2:5. If there are 15 students who don’t wear glasses, how many students are in the class?
10
Dany paid $48 for 12 cartons of orange juice. What is the unit price per carton of orange juice?
$4
Pat wants to enter a typing contest. In order to enter, one has to be able to type 50 words per minute. Pat took 5 seconds to type 4 words. Can he enter the contest?
No
Earl and Mia danced in a charity fundraiser. Earl raised $275 when he danced for 5 hours. Mia raised $376 when she danced for 8 hours. Which dancer earned more for each hour danced?
Earl
Gary is the school chef. He makes 45 tacos for every 15 students. How many students would Gary make 450 tacos?
150 tacos
In a box, the ratio of red marbles to blue marbles is 7:4. If there are 24 blue marbles in the bag, how many red marbles are in the bag?
42
Felicity babysat 2 hours each night for 10 nights. She earned a total of $180 babysitting. What is Felicity’s hourly rate?
$9
David hikes 2 ¼ in ½ an hour. At this rate how long will it take him to walk 18 miles?
4 hours
Usually a person’s heart rate decreases as a person ages from infancy to adulthood. One family’s resting heart rates are shown. If their heart rates are within normal ranges, which person is the youngest?
Marie: 350 beats in 4 min
Laruin 800 beats in 8 min
Tony 600 beats in 5 min
David 400 beats in 6 min
Tony
The ratio of boys to girls in the 6th grade is 2:3. If there are 24 boys, how many girls are there?
36
On a shelf, books with green cover and that with brown cover are in the ratio 2:3. If there are 18 books with a green cover, then how many books have a brown cover?
27
For every 6 hours of work, Doug earns $76.50. If Doug works 40 hours, how much will he earn?
$510
John took 5 ½ mile walk to his friend’s house. He left at 11 AM and arrived at his friend’s house at 1 PM. What was his average speed of walking?
1 5/6
Darius can run 25 meters in 4 seconds. Patrick can run 50 meters in 10 seconds. Which boys runs at a faster rate?
Darius
The ratio of green M&M’s to yellow is 2:5. If there are 84 candies in the bag all together, how many are green.
24
Mother divided the money among Ron, Sam, and Maria in the ratio 2:3:5. If Maria got $150, find the total amount and the money received by Ron and Sam.
$180
12 lemons cost $1.60. What is the cost per lemon? At this rate, what is the cost of 9 lemons?
$0.13 per lemon
$1.20 for 9 lemons
On a particular map, 2 inches represents 25 miles. If the distance between Cambridge and Brockton measures 1.5 on the map, how many miles are the cities apart?
18.75 miles
It costs $3.99 for 25 fl oz of detergent or $6.99 for 55 fl oz. Which is the better buy?
$3.99 for 25 fl oz
Brain, Tim, and Kenny got paid a total of $240 for mowing neighborhood lawns. They split the money in the ratio 5:9:10. How much less did Brian make than Tim?
$40
The ratio of number of boys and girls in 4:3. If there are 18 girls in a class, find the number of boys in the class AND the total number of students in the class.
24, 42
Which is the best buy?
6 shirts for $25.50
4 shirts for $18
5 shirts for $21
5 shirts for $21
If 6 gallons of premium unleaded gasoline cost $3.72, how much would it cost to completely fill a 15 gallon tank?
$9.30
A 16 oz package of brown rice cost 79 cents and a 48 oz package of white rice costs $3.49. Which package is better deal?
48 oz for $3.49