Unit Rate
Find the unit rate of dollars per box.
- $8.00 for 5 boxes
$1.60 for 1 box
Which ratio is not equivalent to the other three?
1/5, 3/15, 7/35, 8/45
8/45
Solve the proportion.
5/12 = x/15
x=6.25
3 large pizzas cost $13.50. How much does it cost to buy 10 large pizzas?
10 large pizzas cost $45.00.
24(n+1)=24
n=0
Find the unit rate of dollars per egg.
$4.56 for a 12 eggs.
$0.38 for 1 egg.
Tell whether the ratios form a proportion.
6/30, 10/60
Not a proportion.
Solve the ratio.
8:12 , x:180
x=120
There are 180 white lockers in the school. There are 3 white lockers for every 5 blue lockers. How many lockers are there in the school?
180 white lockers and 300 blue lockers. So there is 480 lockers total.
3x -10 = -100
x = -30
Find the unit rate of miles per gallon.
364 miles per 13 gallons
28 miles for 1 gallon
There are 30 girls in a class, and 50 total students. What is the ratio of girls to total students in fraction form? Simplify.
3/5
You can peel 4 potatoes in 10 minutes. How long will it take you to peel 18 potatoes?
Solve by setting a proportion.
Peeling 18 potatoes will take 45 minutes.
You are 13 years old, your cousin is 19 years old. As you grow older, is your age proportional to your cousin’s age. Justify your answer with an example and explain your reasoning.
As you and your cousin grow older your ages are not proportional.
Reason: Not Multiplicative.
What is negative 49 divided by negative 7?
Cannot use a calculator.
7
Gabriel buys 4 tires for $272.00. What is the price of 3 tires?
$204 for 3 tires.
What is the ratio as a fraction in simplest form.
63:28
9/4
The test is worth 80 points. You get 75% of the question correct. How many points did you get?
Solve by setting up a proportion.
60 points.
An oil spill spreads 30 square meters every 1/6 hour. How much area does the oil spill cover after 2 hours?
360 square meters.
What is Ms. Loder's favorite Christmas movie?
Love Actually
Five movie tickets cost $36.25. What is the cost of 8 movie tickets?
$58.00 for 8 movie tickets.
You have 12 GB of Halo downloaded. 45 minutes later, you have 102 GB. What is the download rate in GB per minute?
****This is CHALLENGING! You must do something BEFORE you find the unit rate!
2 GB per minute.
Lebron makes 15 foul shots for every 5 that he misses. How many shots did he make if she shot 160 foul shots?
Set up a proportion.
120 made if Lebron takes 160 total foul shots.
The ratio of girls to boys in the 6th grade is 6 to 7. How many girls are there if there are 364 total students?
168.
Where is Ms. L from?
Texas