Show:
% of a Number
Unit Rate
Ratio/Proportion
Better Buy
Solve the Proportion
100
What is 125% of 80?
100
100
I make $32 in 4 hours
$8/hr
100
Do the ratios form a proportion? 3/4 and 9/12
Yes. 36 = 36
100
Sunmart sells a case of 24 cans of Diet Coke for $6.88. Shopko sells a 12 pack of Diet Coke for $3.99. Which is the best buy?
Sunmart $0.19/can (Shopko is $0.33/can) 3.5 cans/$ (Shopko is 3.0/$)
100
5/8 = x/48
x = 30
200
35% of what number is 56?
160
200
A car travels 576 miles in 16 hours
36 mi/hr
200
Do the ratios form a proportion? 2/5 and 8/16
NO. 32 does not equal 40
200
A 12 oz box of Thanksgiving stuffing is $2.15, while a 16 oz box costs $2.88. Which is the better buy?
12 oz box 5.58 oz/$ (16 oz is 5.56 oz/$) $0.179/oz (16 oz is $0.180/ oz)
200
3/12 = x/60
x=15
300
What percent of 60 is 12?
20%
300
There are 93 students in 3 classes
31 students/class
300
Do the ratios form a proportion? 2/9 and 6/12
NO. 24 does not equal 54
300
An 11 pound turkey costs $15.00, while the 16 pound turkey is on sale for $20.00. How much would you save with the sale price?
16 pound 0.8 lb/$ (11 is 0.73 lb/$ ) $1.25 per lb (11 pound is $1.36 per lb
300
x/9 = 16/6
x=24
400
What number is 40% of 1600?
640
400
I can eat 12 hamburgers in 1.5 hours
8 hamburgers/hour
400
Find the two ratios that are proportional: 35/26, 81/39, 27/13
81/39, 27/13
400
A 16 oz. can of Cream Corn sells for $1.09, while the 32 oz. can is on sale for $1.89. How much would you save with the sale price?
32 oz can $0.06/oz (16 oz can is $0.07 per/oz ) 16.9 oz/$ (16 oz can is 14.7 oz/$
400
816/x = 51/4
x=64
500
$150 is what percent of $2400?
6.25%
500
A dozen roses cost $15
$1.25/rose
500
Rewrite this ratio in two other ways: 6/7
6 to 7 and 6:7
500
For every 4 black labs at a hunting dog training school, there are 3 black labs. If there are 48 black labs, how many yellow labs are there?
36 yellow labs
500
1.5/4 = 15/x
x=40