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The cost per unit of the auto shop function is the slope of the function
87 represents the slope and the cost per tire purchased
The function is given as:

A linear function is represented as:

Where:
m represents the slope or the unit rate.
So, by comparison:

This means that 87 represents the slope and the cost per tire purchased
Read more about slopes at:
brainly.com/question/18576224
It is 3.75 for the answer
Answer:
Reduced price = $ ( p - 150)
Step-by-step explanation:
Let the original price of plane ticket be $p
Price reduced in plane ticket = $150
So the amount actually need to pay for a plane ticket will be given by:
Actual reduced price of plane ticket = $p - $150
i.e Algebraic expression for reduced price is:
Reduced price = $ (p - 150)