Ratios
In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes.
2:5
George read 126 pages of a book in 18 minutes. How many pages did he read in 1 minute?
7 pages per minute
5 shovels of sand are mixed with 4 shovels of gravel to make cement. What is the number of shovels of gravel needed for 45 shovels of sand.
36 shovels of gravel
Christina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?
6 mi/hr
The ratio of blonde to brunette students is 2:3. What is a possible amount of blonde and brunette students? Are there other possibilities?
4:6, 6:9, 8:12, ... there are unlimited possibilities.
The science materials cost $65.70 to do the experiment. If 9 students participated in the experiment, what was the unit cost per student?
$7.30 per student
Ari can walk 2 miles in 40 min. What is the amount of time it will take him to walk 4 miles.
80 min. or 1 hour and 20 min.
Larry can type 225 words in 3 minutes. How many words can he type in 10 minutes?
750 words
The recipe calls for 2 eggs for every 8 cups of flour. How many eggs are needed with 40 cups of flour?
10 eggs
The toys cost $69.95 for 5 models. What is the unit rate for each model toy?
$13.99 per model toy
Paul used 6 black tiles and 12 white tiles for a pattern. What is the ratio of black tiles to white tiles.
1:2
Apples sell 4 for $2.40. How much do 6 apples cost?
$3.60
There are 40 rabbits in a cage. The ratio of white rabbits to grey rabbits is 3:7. How many white rabbits are in the cage?
12 white rabbits
A factory can produce mousetraps at a rate of 1500 traps in 3 hours. What is the unit rate per hour?
500 traps per hour
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal and why?
Rose got the better deal. She got one piece for $0.10 and Joe spent $0.15 for one piece.
There are 75 cupcakes at the party. The ratio of vanilla to chocolate is 2:3. How many chocolate cupcakes are at the party?
45 chocolate cupcakes
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
$7.50 per hour
Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates that 8 trucks can carry.
320 crates
Ricky made $766.50 in two weeks. How much money did he make per day?
$54.75 per day