Simplifying
Ratios
Proportions
Unit Rate & Unit Price
Suprise!
100
15/6
5/2
100
During the last football season, the Redbirds won 12 games and lost 3. What is the ratio of games won to games lost? (simplest form)
4:1
100
10/30 = u/96 Solve for u.
u = 32
100
Write the following rate as a unit rate: 14 hours in 2 weeks
7 hours per week
100
What is a ratio?
A comparison of two quantities
200
25:5
5:1
200
During the last football season, the Redbirds won 12 games and lost 3. What is the ratio of games won to the total number of games played? (simplest form)
4:5
200
40/48 = w/30 Solve for w.
w = 25
200
Wayne raked 30 bags of leaves in 3 hours. If he raked the same number of bags each hour, how many bags of leaves did he rake in one hour?
10 bags in one hour
200
What is Ms. Kane's favorite holiday?
Christmas!! :)
300
64:72
8:9
300
The ratio of boys to girls in a kindergarten is 2:3. If the number of boys is 12, find the number of girls.
18 girls
300
Jennifer can type 300 words on the computer in 5 minutes. How many words can she type in 8 minutes?
480 words in 8 minutes
300
Stephanie ran 1 lap in 6 minutes. At this rate, how far would she run in 30 minutes?
5 laps in 30 minutes
300
Julie buys 6 new shirts for $22 each. How much does she spend on the shirts?
$132 dollars
400
81:18
9:2
400
In a basket, there are 24 good oranges and the rest are bad oranges. The ratio of good oranges to the bad oranges is 3:1, find the number of bad oranges.
8 bad oranges
400
Cynthia's chicken salad recipe calls for 4 tablespoons of mayonnaise for every 3 pounds of chicken. How many tablespoons of mayonnaise does she need to make 15 pounds of chicken salad?
20 tablespoons of mayonnaise
400
One bottle of shampoo costs $6 for 8 oz. A second bottle costs $4 for 5 oz. of shampoo. Which bottle has the lower unit price? How much lower?
$6 for 8 oz has the lower unit price. It costs .75 per oz which is 5 cents cheaper than the other shampoo.
400
Tom mows grass to make money. He made $324 for mowing 4 lawns last week. If he made the same amount on each lawn, how much did he get paid for each?
$81 per lawn
500
63:49
9:7
500
The distance travelled by Rosa and Bryan is in the ratio 3:5. The distance Rosa travelled is 21 miles. Find the distance travelled by Bryan.
Bryan travelled 35 miles.
500
In general, the air temperature decreases 12 degrees for every 4,000 feet in altitude. If a hiker climbs 3,000 feet, by how much can she expect the temperature to decrease?
9 degrees
500
Which is the better buy.... 14 oranges for $3.49 or 20 oranges for $4.05
20 oranges for $4.05
500
A 2-kilogram roast requires 90 minutes to cook. At that rate, how long should a 3-kilogram roast be cooked?
135 minutes
M
e
n
u