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Ratios
Proportion
Unit Rates
Percents
Percents of Numbers
100
Write this ratio in simplest form 6 to 15
2 to 5
100
Do these ratios form a proportion? 6/8 and 3/4
Yes
100
A package of 3 notebooks costs $3.39 Find the unit rate
The unit rate is $1.13 per notebook
100
Write 45% as a fraction in simplest form and as a decimal.
.45 9/20
100
What is 20% of $35.00
$7.00
200
Write this ratio in simplest form 21 : 49
3 : 7
200
Do these two ratios form a proportion? 12 : 15 and 3 : 5
No
200
The cost of four rubber chickens is $12.76 What is the unit rate?
The unit rate of rubber chickens is $3.19
200
Write 28% as a fraction in simplest form and as a decimal.
.28 7/25
200
What is 20% of $25.50?
$5.10
300
Write two other ways to express the ratio 60 to 45
60/45 60:45
300
Solve this proportion for n 12/7 = 36/n
n = 21
300
You go to the store and can buy ten shirts for $70 or five shirts for $45 Use unit rates to show which is the better deal
The ten shirts for $70 would cost $7 per shirt, so that would be a better deal than the five shirts which would cost $9 per shirt
300
Write 3/20 as a percent.
15 %
300
What is 43% of 156?
67.08
400
There are 17 players per team. Find the number of players on 8 teams.
136
400
Solve this proportion for x 85/x = 17/7
x = 35
400
Dillan scores 24 points in 2 games. Tom scores 40 points in 4 games. Who is the better scorer? Use the unit rate to prove your answer.
Dillan is the better scorer because he scores 12 points per game, but Tom only scores 10 points per game.
400
Write 5/9 as a percent. Round to the nearest whole number.
56 %
400
What is 18% of 49?
8.82
500
There are 12 buttons per phone. Find the number of phones if there are 156 buttons.
13
500
Solve this proportion for d 6/7 = d/91
d = 78
500
Mr Wills jogs 4 miles in 32 minutes. Charlie runs 2 miles in 18 minutes. Use the unit rate to show who ran faster.
Mr. Wills ran faster because he ran 1 mile every ten minutes, but it took Charlie 9 minutes to run 1 mile
500
Write 87/95 as a percent. Round to the nearest whole number.
92%
500
What is 68% of 99?
67.32