mathematics

How can you use 4x7 to find 8x7? Find the product.

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  1. Well... 8 is a multiple of 4 so 4x7 and 8x7. the answer is 56.

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  2. (4×7)=28

    28×2=56

    Just double it

    Or say
    8×7=7(4)+7(4)=28+28=56

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