Mathematics, 02.02.2021 20:40 BigCra
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
Answers: 1
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A service center charges a fee of x dollars for an oil change plus y dollars per quart of oil used....
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