Answered

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A pizza delivery worker purchased a used motor scooter that had been driven 12100 miles. He drives the motor scooter only on days he is working, during which he drives an average of 50 miles per day. After d days of pizza delivery, the motor scooter has been driven a total of 25000 miles. Which of the following equations best models this situation?
A. 50 (12100 + d) = 25000
B. (12100 + d) 50 = 25000
C. 12100d + 50 = 25000
D. 12100 + 50d = 25000

Sagot :

I think the answer is D

Answer:

D. 12100 + 50d = 25000

Explanation:

total scooter drive before purchase = 12100 miles

worker drives scooter on his working days d = 50 miles per day

1st; to find d,

we will subtract 25000 miles (total drive of scooter) from 12100 miles

25000 - 12100 = 12900 miles

Now divide 12900 miles into 50 miles (per working day d)

12900 / 50 = 258 days

As d = 258 days, we can rewrite equation as

12100 + 50 (258) = 25000

12100 + 50 * 258 = 25000

12100 + 12900 = 25000 Answer.

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