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20 March, 00:53

Darla is training for a marathon. She starts out running 1.5 miles and plans to add additional miles each week. Below is a screenshot of her fitness tracker app on her phone.

week miles run

1 3

2 4.5

3 6

4 7.5

5 9

Part A: Assuming that this pattern of running continues for Darla, write an equation that could be used to find the number of miles she runs for any number of weeks.

Part B: to complete a marathon, you must run 26.2 miles. Using the table and / or equation, will Darla be able to complete a marathon after 14 weeks of training?

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Answers (1)
  1. 20 March, 02:04
    0
    Step-by-step explanation:

    4.5-3=1.5 so that's the pattern.

    A.

    so a equation could be L as last number of miles and 1.5 cause it goes up by that ever week. N as New number of miles. So C+1.5=N

    B. So we gonna need a table

    Week number | Last Week | New Number Of Miles

    1 | N/A. | 3

    2 | 3 | 4.5

    3 Use chart given

    4

    5 | 7.5. | 9

    6 | 9 | 10.5

    7 |10.5 | 12

    8 | 12 | 13.5

    9 | 13.5 | 15

    10 | 15 | 16.5

    11 | 16.5 |18

    12 | 18 | 19.5

    13 | 19.5 | 21

    14 | 21 | 22.5

    22.5 IS NOT EQUAL TO 26.2, so no
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