Vguzzoni Vguzzoni

16-03-2016
Mathematics

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

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RASEA23 RASEA23

16-03-2016

8x7=4x2x7=4x7x2=(4x7)x2
To find 8x7, multiply 4x7 by 2.

Hope this helps :)

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SmarticalParticals SmarticalParticals

16-03-2016

We know that 4 × 7 = 28
We also know that 8 is
2× 4. That means we can write 8×7 as 2×(4×7). We already know that
4 × 7 = 28 so 2×28 = 56

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