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24 November, 17:14

A cake is cut into four pieces so that each piece is twice as many as the preceding piece. the entire cake weighs ten pounds. How much does each piece weigh?

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Answers (2)
  1. 24 November, 17:18
    0
    Let smallest piece weigh x pounds then

    x + 2x + 4x + 8x = 10

    15x = 10

    x = 2/3

    so weights of the pieces in ascending order is 2/3, 4/3, 8/3 and 16/3 pounds

    or as mixed numbers 2/3, 1 1/3, 2 2/3 and 5 1/3 pounds
  2. 24 November, 17:20
    0
    1.22222 round it by ten then it would be 1
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