Mathematics, 02.02.2021 20:30 phillipfruge3

A service center charges a fee of x dollars for an oil change plus y dollars per quart of oil used. A sample of its sales record is shown. A table shows the oil tank size in quarts and total cost for two customers. Customer A: Oil tank size, 5 quarts. Total cost, 22.45 dollars. Customer B: Oil tank size, 7 quarts. Total cost, 25.45 dollars.

Write a system of linear equations that represents this situation.

Equation for customer A:
_=22.45$

Equation for customer B:
___=25.45$

Question 2
Find the fee and cost per quart of oil.

$ fee?

$ per quart of oil?

A service center charges a fee of x dollars for an oil change plus y dollars per quart of oil used.

Answers: 3

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