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3 March, 06:16

Jenny biked 3 miles less than twice the number of miles Marcus biked. Jenny biked a total of 4 miles. Write an equation to determine how many miles Marcus biked.

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Answers (2)
  1. 3 March, 08:08
    0
    3 - 2x = 4

    Step-by-step explanation:

    let the number of miles biked by marcus be x, then jenny biked 3 miles less than marcus therefore it will be 3 - x therefore the total miles for jenny will be 3 - x = 4
  2. 3 March, 09:07
    0
    Answer: Marcus biked 3.5 miles.

    Step-by-step explanation: To determine how many miles did Marcus bike, we need to write an equation that expresses the given data, we know that Jenny biked 4 miles, and that number needs to be 3 miles less than twice the distance that Marcus biked so:

    x is the number of miles that Marcus biked:

    2x-3=4 (twice the distance Marcus biked, minus 3 miles, equals the distance Jenny biked)

    now, we isolate the x:

    2x=4+3

    2x=7

    x=7/2

    x=3.5 miles
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