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23 September, 13:32

Zane has already prepared 9 kilograms of dough and will continue preparing 1 kilogram of dough every hour. How many hours did Zane work if he prepared 17 kilograms of dough?

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Answers (2)
  1. 23 September, 13:53
    0
    8 hours

    Step-by-step explanation:

    Use h to represent the number of hours Zane works. He already has 9 kg of dough and is adding 1 kg per hour. The total number of kilograms is

    9 + h = 17

    Subtract 9 from both sides.

    h = 8 hr
  2. 23 September, 17:05
    0
    8 hrs

    Step-by-step explanation:

    9 kilograms to start with plus 8 kilograms (1 for every hr) equals 17 kilograms of dough.
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