3 years ago

What multiplication fact can you double to find 4x7

Mathematics

2 answers:

gizmo_the_mogwai [7]3 years ago

7 0

2x6 because 2x6 equals 12 and 12+12=24 ohhhhh oppps

AnnZ [28]3 years ago

5 0

You can do subtract half of 4 which is 2 and multiply by 2 by 7 so it will be 2x14 which is the same thing as 7x4<span />

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Nana76 [90]

I'm here buddy,

so, let's take the value of the two bags with equal weight as x.

= x + x + (x + $\frac{6}{5}$ ) = $\frac{27}{4}$

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= 3x = $\frac{27}{4}$ - $\frac{6}{5}$

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= 3x = $\frac{111}{20}$

= x = $\frac{111}{20}$ ÷ $\frac{3}{1}$ = $\frac{111}{20}$ × $\frac{1}{3}$ = $\frac{37}{20}$

So, the weight of the equal bags are $\frac{37}{20}$ and the weight of the third bag ( heavy one ) is $\frac{37}{20}$ + $\frac{6}{5}$ = $\frac{37}{20}$ + $\frac{24}{20}$ = $\frac{61}{20}$

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2nd bag = $\frac{37}{20}$ kg

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Hope it helps...

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