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23 August, 18:13

Marcus said the product of 7/8 x 1 3/4 is 9/4. How can you tell that his answer is wrong?

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  1. 23 August, 18:22
    0
    Estimate ... 7/8 rounds to 1 ... 1 3/4 rounds to 2 ... 1 * 2 = 2 ... and thats rounding up ... so the actual answer would be less then 2 ... and 9/4 = 2 1/4 ... so 9/4 is more then 2
  2. 23 August, 18:42
    0
    Just multiply straight across, 7x13 = 91 8x4 = 32, 91/32 than just simplify this
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