contestada

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.
1 Customer Oil Tank Size
(quarts)
DC
Total
Cost
$22 45
$25.45
3
Write a system of linear equations that represents this situation.

Respuesta :

Answer:

x + 5y = 22.45

x + 7y = 25.45

Step-by-step explanation:

Given:

Customer A oil tank size = 5 quart

Customer B oil tank size = 7 quart

Total cost for A = $22.45

Total cost for B = $25.45

Find:

Equation

Computation:

So,

x + 5y = 22.45

x + 7y = 25.45