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12 April, 07:13

Marta was pregnant 270 days and 260 days and 272 days for her first three pregnancies in order for Marta average pregnancy to equal the worldwide average of 266 days for how long was her fourth pregnancy last

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Answers (2)
  1. 12 April, 08:08
    0
    266 * 4 = 1064 days. The total days she's been pregnant is the sum of those 3 pregnancies which is 802 days. Therefore, she needs her pregnancy to be 262 days to equal the average.
  2. 12 April, 08:45
    0
    Answer:262 days

    Step-by-step explanation:

    Pregnancy 1=270 days

    Pregnancy 2 = 260days

    Pregnancy 3=272 days

    To find cumulative days for all four pregnancies to equal an average of 266days

    For the average to be 266 days

    266*4=1064

    Sum of all 3 pregnancies = 270+260+272=802

    Sum of all cumulative days for all four pregnancies-sum of the three pregnancies

    1064-802=262

    So for the average to be 266days

    The forth pregnancy has to

    262 days
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