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Brandon and Jacob buy used cars at the same time. Brandon buys a car with 10,000 miles on it. He drives an average of 100 miles a week. The equation that follows can be used to determine how many miles, m, will be on the car after any number of weeks of driving, w:
m = 100w + 10,000
So every week you would add 100 miles right? In that case it would take 20 weeks?

  • math -

    Soorry, I forgot to add this part:
    In how many weeks will Brandon’s car have 12,000 miles on it? Justify your steps by stating the identity or property used.

  • math -

    Right.

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