Respuesta :
Answer:
change it to 30
Step-by-step explanation:
20 x 40 = 800
22 x 38 = 836
24 x 36 = 864
26 x 34 = 884
28 x 32 = 896
30 x 30 = 900
32 x 28 = 896
The correct answer is; $30
According to the question,
20 x 40 = 800
22 x 38 = 836
24 x 36 = 864
26 x 34 = 884
28 x 32 = 896
30 x 30 = 900 (this is the maximum income the owner could have)
32 x 28 = 896
∴ the owner charge should charge $30 per oil change
learn more about profit and loss here: https://brainly.com/question/19104371
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