Ratios
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Ratio Application
...You Guessed It, More Ratios!
100
A school has an enrollment of 600 students. 330 of the students are girls. Write the ratio of girls to total students in simplest form.
330:600, in simplest form: 11:20
100
Last year the girls’ basketball team had 8 fifth-grade students and 7 sixth-grade students. What was the ratio of sixth-grade students to fifth-grade students on the team?
7 to 8
100
Felicity babysat 2 hours each night for 10 nights. She earned a total of $180 babysitting. Felicity wants to calculate her hourly rate. How much did Felicity earn per hour babysitting?
$9 per hour
100
Kevin and James scored points in the basketball game at a ratio of 3:5. James scored 16 more points than Kevin did. How many points did Kevin score?
Hint: The difference of points between 3 and 5 is 2. How can 2 be scaled up to 16?
24 points
3:5 = difference of 2 points.
2x8=16, so scale the entire ratio up by 8.
24:40
100
Ben’s Game World is having a sale on video games. The store is offering a sale pack of 4 video games for $43.80. What is the cost of one video game in the sale pack?
What is $10.95
200
Which of the following ratios are equivalent to 2:3?
1:2 , 4 to 6 , 2 to 6 , 3/6 , 10/15 , 4 to 9 , 6/12 , 1/3
4/6 and 10/15
200
Cantaloupes are on sale for 2 for $1.26. What is the cost per cantaloupe?
$0.63 per cantaloupe
200
In the time it takes wheel A to make 4 turns, wheel B makes 10 turns.
In 80 turns of wheel A, how many turns does wheel B make?
For 80 turns of wheel A, there will be 200 turns of wheel B.
4:10 = 80: 200
200
Big Earl’s Rent-A-Car rents cars at a rate of $212 for 2 days. At this rate, what would it cost to rent the same car for 10 days?
What is $1,060.00
200
A restaurant worker used 5 loaves of wheat bread and 2 loaves of rye bread to make sandwiches for an event.
What does the ratio 7:2 repesent in this situation?
7:2 represents the ratio of total loaves of bread to loaves of rye bread.
300
What is the ratio of # to $ in lowest terms?
# # # $ # $ $ $ # # $ # # $
4:3
300
True or False:
Ratios and fractions are essentially the same thing.
TRUE!
Ratios are fractions with labels, and they make specific comparisons between values.
300
How much do you love ratios?
1. So much!!
2. I can't live without them!!
3. I <3 RATIOS!
These are all correct! :)
Ratios will be used in your every day life!
300
The Students in Mr. Roberts class play games at recess.
6 boys played soccer
4 girls played soccer
2 boys played kickball
8 girls played kickball
Write number of boys who played soccer to the number of boys who played kickball using a simplified ratio.
For every 1 boy who played kickball, 3 boys played soccer.
1:3
300
How many ways can you write a ratio?
What are the ways?
Three!
The word, "to" (Ex. 3 to 2)
Colon (Ex. 3:2)
Fraction (Ex. 3/2)
400
A company manufacturing paper coffee cups produces 540 paper coffee cups every half hour.
How many paper coffee cups will be produced in 3 hours?
3,240 paper cups
400
There are 36 TOTAL performers in a dance recital. The ratio of men to women is 2:7. How many men are in the dance recital?
8 men
400
In your future Lamborghini, you can drive 9 miles for every one gallon of gas.
How many gallons of gas will it take you to drive your car from Belgrade to Kalispell (243 miles)?
27 gallons of gas
400
A water purifier can purify one liter of water in half a minute.
How many liters of water can be purified in 8 minutes?
16 liters
400
Fill in the blanks:
6:? = 18:9 = 54:?
6:3 = 18:9 = 54:27
500
Truck A, Truck B and Truck C are cruising at different, but constant, speeds as shown below.
Which truck will cover the most distance in 1 hour?
Truck A
500
Gabby makes banana bread at her bakery every Monday and Wednesday. Her banana bread recipe calls for the ratios of ingredients shown. If she uses 3 cups of sugar, how much BUTTER and how many BANANAS will she need?
1 cup of sugar for every 10 tablespoons of butter
30 tablespoons of butter for every 32 bananas
30 tablespoons of butter and 32 bananas
500
Noelia is checking a map for the distance to a beach. The scale of the map is 3 inches to represent 8 miles. If she finds the closest beach to be 18 inches from where she is, how far away is the beach in miles?
48 miles
500
James bought 4 tickets to see the Cubs play the Cincinnati Reds for $92. Each ticket cost the same amount of money. At this ratio, how much would he pay for 5 tickets?
$115.00
500
Alia wants to buy pizza for a party. 50 people will be coming to the party, and a large pizza from Paolo’s Pizza Place serves 4 people. Each large pizza from Paolo’s Pizza Place costs $11.50.
Alia wants to buy enough pizza so that people will not be hungry, and wants to have the least amount of pizza left over. How many large pizzas should Alia buy?
13 pizzas