P-7 Unit Rates Name ______________________ Per. ____
Algebra
Finding unit Rates
When the denominator of a rate is 1, we call the rate a unit rate. We usually use the key word per or
the division symbol / to indicate a unit rate. For example:
If a student earns $8.50 per hour, it is the same as $8.50/hour, and means $8.50 for every 1 hour of
work.
Find each unit rate. Round your answer to the nearest hundredth.
1.
type 800 words in 12 minutes
________ words per minute
2.
192 students in 4 buses
________ in each bus
3.
357 miles in 5 hours
________ miles per hour
4.
8 ducks for $23.60
$________ per duck
5.
a 10-lb bag of cherries for $33.49
________ per lb
6.
12 chickens lay 30 eggs
_________eggs per chicken
7.
Earn $134 in 8 hours
________ per hour
8.
3 pizzas for $19.99
________ each
9.
3500 calories for 6 servings of pie
________ calories per serving
10. 351 chairs in 27 rows
________ chairs in each row
11.
$37.29 for 2 pairs of jeans.
________ each
12. $37.29 for 2 pairs of ducks
__________per duck
13.
24 senior citizens in 12 RVs
________ in each RV
14.
7 penguins for $188.88
________ each
Which is the better buy?
15. A 12.5 oz bag of Doritos for $3.79 or a 3 oz bag for $1.00.
16. 12 bars of soap for $10.00 or 5 bars of soap for $4.00.
17. A box of 84 penguins for $13,597 or a bag of 50 penguins for $795.95.
18. 5 gallon bucket of paint for $97.45 of a 1 gallon bucket of paint for 21.95.
19. 48oz big gulp for $1.39 or a 32 oz coke for $.89.
20. 50 head of cattle for $24,500 or 37 head of cattle for $18,870
