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10 August, 12:24

Kim takes 2 hours to plant 150 flower bulbs, and Kay takes 3 hours to plant 210 bulbs. Which rational equation could be used to determine the time t it takes Kim and Kay working together to plant 580 flower bulbs?

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  1. 10 August, 13:31
    0
    The answer is 4 hours.

    Step-by-step explanation:

    First you have to find how many flowers they can plant in 1 hour which for Kim is 75 and for Kay is 70 (just divide 150 divided by 2 and 210 divided by 3). Then add 75 + 70, which equals 145, then you have to find out what times 145 equals 580 which is 4, therefore the answer is 4 hours.

    easypeasy sksksksk:p
  2. 10 August, 13:45
    0
    it would take them 4 hours to plant 580 together
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