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Law Incorporation [45]

3 years ago

13

A group of aliens are planning a trip to Earth. For every 5 aliens they need 7 power pouches in order to meet one day's food nee

ds. If there are 40 aliens traveling, how many power pouches will they need for each day of the trip?

1 answer:

noname [10]3 years ago

3 0

$7 \times 40 \div 5 = 56$
and so the aliens will need 56 power pouches for each day of the trip.

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How to solve 4/7y-2 = 3/7 + 3/14

lisabon 2012 [21]

Solution

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2) Simplify $\frac{3}{7}$ + $\frac{3}{14}$ <span>to <span>914</span>
</span> $\frac{4y}{7}$ <span>−2= </span> $\frac{9}{14}$

3) <span>Add 2 to both sides
</span> $\frac{4y}{7}$ = $\frac{9}{14}$ <span>+2
</span>
4) Simplify $\frac{9}{14
}$ <span><span>+2</span> to </span> $\frac{37}{14}$
$\frac{4y}{7}$ = $\frac{37}{14}$

5) <span>Multiply both sides by 7
</span><span>4y= </span> $\frac{37}{14}$ <span>×7
</span>
6) Simplify $\frac{37}{14}$ <span><span>×7</span> to </span> $\frac{259}{14}$
$\frac{4y}{7}$ = $\frac{259}{14}$

7) Simplify $\frac{259}{14}$ <span> to </span> $\frac{37}{2}$
$\frac{4y}{7}$ = $\frac{37}{2}$

8) <span>Divide both sides by 4
</span>y= $\frac{37}{2}$ <span>×4
</span>
9) <span>Simplify <span>2×4</span> to 8
</span><span>y=</span> $\frac{37}{8}$
<span><span>
Hope this helps

</span></span>

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