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guajiro [1.7K]
3 years ago
15

A mechanic charges $55 an hour for an oil change and spends $45 a day on supplies. Which expression represents the amount the me

chanic earns in one day?
Mathematics
1 answer:
san4es73 [151]3 years ago
5 0

Answer:

55x-45=y

Step-by-step explanation:

in terms of algeabra 55 dollars per hour x amount of hours 45 spent so subtract 45; y is the amount per day. The variables can be swapped

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The length of a rectangle is 2 cm longer than its width. if the perimeter of the rectangle is 40 cm , find its area.
rusak2 [61]

width = w

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40 = 2w+4 +2w

40 = 4w+4

36=4w

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Step-by-step explanation:

<u>Actual question is:</u>

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2 years ago
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Flura [38]

Answer:

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Step-by-step explanation:

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