Mathematics, 04.02.2022 04:00 k11kiki
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: 3
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A service center charges a fee of $x$ dollars for an oil change plus $y$ dollars per quart of oil us...
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