Ratios
Simplify the ratio: 8 to 30
4 to 15
The GCF 16 and 32,
16
Do each pair of ratios form a proportion? 2/3 and 6/9
YES (18 = 18)
Julie walked 16 miles in 6 hours. How long will it take her to walk 24 miles?
9 hours
Simplify the ratio: 30 to 5
6:1
LCM of 25 and 60.
300
Do the ratios form proportions? 21/6 and 14.3/3 hr
No (63 does not equal 85.8)
The teacher made 30 copies in 5 minutes. How many copies would she make in 25 minutes?
150 copies
Simplify the ratio: 24 to 6
4:1
GCF of 8 and 100.
4
Do the ratios form proportions? 8/20 and 24/60
Yes (480 equals 480)
There are 1200 calories in an 8 ounce piece of cheesecake. How many calories are in a 3 ounce piece of cheesecake?
450 calories
There are 140 total students. 80 of the students are girls, and 60 of the students are boys. Write the ratio of girls to total students.
80:140
LCM of 12 and 15.
60
Do the ratios form proportions? 5/7 and 25/49
What is No (245 does not equal 175)
Annie bought 3 bags of candy for $1.20. How much do 8 bags of candy cost?
$3.20
What is the ratio of I's to total letters in the word "Mississippi"?
4:11
GCF of 18 and 72.
18
Do the ratios form proportions? 5/4 and 25/16
What is No (80 does not equal100)
The ratio of vanilla pudding to chocolate pudding in a banana split pie is 4 to 3. Olivia has 64 ounces of vanilla pudding. How much chocolate pudding does she need?
48 ounces.