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Per. ____ Algebra Finding unit Rates When the denominator ..., Exams of Algebra

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 ...

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2021/2022

Uploaded on 09/12/2022

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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
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Download Per. ____ Algebra Finding unit Rates When the denominator ... and more Exams Algebra in PDF only on Docsity!

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
  2. 357 miles in 5 hours ________ miles per hour 4. 8 ducks for $23. $________ per duck
  3. a 10-lb bag of cherries for $33. ________ per lb 6. 12 chickens lay 30 eggs _________eggs per chicken
  4. Earn $134 in 8 hours ________ per hour 8. 3 pizzas for $19. ________ each
  5. 3500 calories for 6 servings of pie ________ calories per serving 10. 351 chairs in 27 rows ________ chairs in each row
  6. $37.29 for 2 pairs of jeans. ________ each
    1. $37.29 for 2 pairs of ducks __________per duck
  7. 24 senior citizens in 12 RVs ________ in each RV
    1. 7 penguins for $188. ________ each

Which is the better buy?

  1. A 12.5 oz bag of Doritos for $3.79 or a 3 oz bag for $1.00.
  2. 12 bars of soap for $10.00 or 5 bars of soap for $4.00.
  3. A box of 84 penguins for $13,597 or a bag of 50 penguins for $795.95.
  4. 5 gallon bucket of paint for $97.45 of a 1 gallon bucket of paint for 21.95.
  5. 48oz big gulp for $1.39 or a 32 oz coke for $.89.
  6. 50 head of cattle for $24,500 or 37 head of cattle for $18,

Use each unit rate to find the total.

  1. Caleb drives for 3 hours at 15 miles per hour. How far does he travel?
  2. Larisa buys 5 hats at $9.99 each. How much does she spend?
  3. Meranda works for 7 hours at $10.25 per hour. How much does she earn?
  4. Luis writes a five page report with 250 words per page. How many words are in the report?
  5. Richard owns 35 chickens and each one produces 3 eggs per day. How many eggs can he collect each day?

For each problem below find the unit rate, then use the unit rate to answer the question.

  1. Jesus bought 3 pairs of jeans for $71.40. How much would he need to pay for 8 pairs of jeans?

Unit rate $________per pair

Cost for 8 pairs ______

  1. Morgan scored 41 points in 3 games. How many points would you expect him to make in an 11 game season.

Unit rate __________points/game

Points in 11 games________

  1. Andy drove 840 miles in 12 hours. How far could he drive in 3 hours?

Unit rate (speed) _________

Distance ___________

  1. Pira drives 825 miles to California. The trip takes him 17 hours. He uses 38 gallons of gas on the trip, which costs him $125.
  • Find his speed.
  • Find his gas mileage.
  • Find the unit price he paid for gas.