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20 May, 14:51

Kim is reading a book with 380 pages. She read 20 pages each day until she reached Part 2 of the book. Part 2 of the book is 160 pages long. She uses the equation 380-20d=160 to represent the number of days, d, it took her to read Part 1. How many days did it take Kim to read Part 1 of the book?

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Answers (2)
  1. 20 May, 14:53
    0
    Step-by-step explanation:

    380-20d=160

    subtract 380 from both sides

    -20d=-220

    divide each side by - 20

    d=11
  2. 20 May, 15:19
    0
    Answer: It took her 11 days to read Part 1 of the book.

    Step-by-step explanation:

    380 - 20d = 160

    Subtract 380 from each side

    -20d = - 220

    Divide each side by - 20

    d = 11
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Home » Mathematics » Kim is reading a book with 380 pages. She read 20 pages each day until she reached Part 2 of the book. Part 2 of the book is 160 pages long. She uses the equation 380-20d=160 to represent the number of days, d, it took her to read Part 1.
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