PSABM5UM - Practice---Acc7.5 Lesson 3 Comparing Proportional Relationships (8.EE.B, 8.EE.B.5)
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Part A)

A contractor must haul a large amount of dirt to a work site. She collected information from two hauling companies. EZ Excavation gives its prices in a table. Happy Hauling Service gives its prices in a graph.

How much would EZ Excavation charge to haul 40 cubic yards of dirt?

 

Do not include units ($) in your answer.

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Explain or show your reasoning.

Type your answer below:
Part C)

How much would Happy Hauling Service charge to haul 40 cubic yards of dirt?

 

Do not include units ($) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part D)

Explain or show your reasoning.

 

Type your answer below:
Part E)

Calculate the rate of change for EZ Excavation.

 

Do not include units ($/cubic yd) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part F)

Calculate the rate of change for Happy Hauling Service.

 

Do not include units ($/cubic yd) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part G)

What do the rates of change mean for each company?

Type your answer below:
Part H)

If the contractor has 40 cubic yards of dirt to haul and a budget of $1000, which hauling company should she hire?

Select one:
Part I)

Explain or show your reasoning.

Type your answer below:
Part A)

Andre and Priya are tracking the number of steps they walk. Andre records that he can walk 6000 steps in 50 minutes. Priya writes the equation 118x, where y is the number of steps and x is the number of minutes she walks, to describe her step rate. This week, Andre and Priya each walk for a total of 5 hours. Who walks more steps?

 

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Select one:
Part B)

How many steps more?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part A)

Find the coordinates of point D in the diagram below:

Write your answer in the following format:

(x,y)


with no spaces

 

If x or y is a mixed number, write it in fraction form

Ex: If the answer is x=3 and y=, then write "(3,5/2)"

 

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Type your answer below:
Part B)

Find the coordinates of point D in the diagram below:

Write your answer in the following format:

(x,y)
with no spaces

 

If x or y is a mixed number, write it in fraction form

Ex: If the answer is x=3 and y=, then write "(3,5/2)".

Type your answer below:
Part A)

Solve each equation. 

 

Your answer should not include a variable. Only include a number answer.

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a= ________

Type your answer below (fraction):
Part B)

Solve each equation. 

 

Your answer should not include a variable. Only include a number answer.

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b= ________

Type your answer below (fraction):
Part C)

Solve each equation. 

 

Your answer should not include a variable. Only include a number answer.

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c= ________

Type your answer below (fraction):
Part D)

Solve each equation. 

 

Your answer should not include a variable. Only include a number answer.

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d= ________

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part E)

Solve each equation. 

 

Your answer should not include a variable. Only include a number answer.

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e= ________

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):