Use the following situation for the next few questions: At Elsa’s auto shop, it takes her 12 minutes to do an oil change

Question

Use the following situation for the next few questions:
At Elsa’s auto shop, it takes her 12 minutes to do an oil
change and 15 minutes to do a tire change. Let x be the
number of oil changes she does. Let y be the number of tire
changes she does. We are wondering what combinations of
the two tasks she can complete in 60 minutes or less.

1-If Elsa were to only do oil changes, no tire changes, how
many could she do in 60 minutes or less?

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Dulcie 4 years 2021-07-30T00:21:11+00:00 1 Answers 14 views 0

Answers ( )

  1. ngockhue
    0
    2021-07-30T00:22:59+00:00
    Reply

    Answer:

    5 oil changes.

    Step-by-step explanation:

    60 = 12x + 15y

    60 = 12x + 15(0)

    60 = 12x + 0

    60

    —- = x

    12

    5 = x

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