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Ratios
Unit Rate
Rates
Miscellaneous
100
Write a unit rate for this situation: 310 heartbeats per 5 minutes
62 heartbeats/minute
100
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
100
Ari can walk 2 miles in 40 min. What is the amount of time it will take him to walk 4 miles.
What is 80 min.?
100
Ricky made $600 in two weeks. Find the unit rate.
$300/week
200

The recipe calls for 2 eggs for every 8 cups of flour. How many eggs are needed with 40 cups of flour?

10 eggs

200
The toys cost $69.95 for 5 models. What is the unit rate for each model toy?
$13.99 per model toy
200
Paul used 6 black tiles and 12 white tiles for a pattern. What is the ratio of black tiles to white tiles.
1:2 or 6:12
200
Apples sell 4 for $2.40. How much do 6 apples cost?
$3.60
300
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
300
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
300
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
300
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.
400
There are 75 mice in a cage. The ratio of pink mice to black mice is 2:3. How many black mice are in the cage?
45 mice
400
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
$7.50 per hour
400
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
400
Larry can type 225 words in 3 minutes. How many words can he type in 10 minutes?
750 words