Ratio
Sherry saved $50 last summer while Cindy saved $90. What is the ratio of Sherry’s savings to Cindy’s savings?(simplify, use colon:)
5:9
If a dozen donuts cost $4.50, what is the unit cost?
.38 cents
For every 28 students at the school, there are 2 teachers. How many students would there be if there were 24 teachers?
336 students
If Ralph makes 12 out of 20 of his free throws in a basketball game, what is his free throw shooting percentage?(remember percent sign)
60%
What are the 4 ways to write a ratio ?
with the word "to"
with a colon :
as a fraction
with the word "per"
Bob’s kickball team is made up of 18 players, 12 of them are boys. On the team, what is the ratio of boys to girls?(simplify, use colon:)
2:1
Walmart sells 18 bottles of water for $4.50 , or 42 bottles of water for $10.50. How much do you think you would pay at Walmart for 30 bottles?
$7.50
The average lion can run 250 miles in 5 hours. How long would it take the lion to run 125 miles?
2.5 hours
Twenty-five percent of the teachers ate a hot dog for lunch at the picnic. If 22 teachers ate a hot dog, how many teachers were at the picnic?
88 teachers
What is a unit rate and how do you solve for it?
A unit rate is a rate with a denominator of one
To solve, divide the numerator and denominator by the denominator.
x y
2 6
4 12
6 18
What is the ratio of Y to X in simplest form?
3:1
A box of 12 granola bars cost $6.40. What is the price per granola bar?
.53 cents
The ratio of apples to oranges is 5 to 4. If you have 40 apples, how many oranges do you have?
32 oranges
Forty percent of the flowers in my garden are roses. If there are 10 roses, how many flowers are in my garden?
25 flowers
What are 2 ways to solve for an equivalent ratio?
proportional fraction
scale factor
What is the ratio of stars(*) to dollar signs ($)
*****
$$$$$$$$$$
1:2
Tyler paid $34.80 for 14 gallons of gas. What is the unit rate per gallon of gas? Round to the hundredths place
$2.49 per gallon
The ratio of dogs to cats is 6 to 3. If there are 18 dogs, how many cats are there?
9 cats
Laura made 15% of her cookies for the baking competition. She needs to make 120 total cookies. How many cookies has she made already?
18 cookies
How do you determine if a table is directly proportional ?
Write them all as fractions, reduce, and compare. If they are ALL the same then the table is proportional.
# of people # of pizza
16 4
20 5
24 6
What is the ratio of number of pizzas to number of people ( in simplest form)
1:4
Sam picked 600 grapes in 20 minutes. How many did she pick in one minute?
The ratio of honey bees to hives is 15,000 to 4. If there are 12 hives, how many honey bees are there?
45,000 honey bees
Mike bought 80% of the puzzles on the shelf at the store. If he bought 24 puzzles, how many were on the shelf?
30 puzzles
How do you set up a measurement conversions problem?
set up a proportional fraction