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Amiraneli [1.4K]

3 years ago

11

One cubic foot of sand weights 100 pounds. A square sandbox with 5-foot sides has half of a food of sand in it. How many pounds

of sand is the sandbox holding?

1 answer:

inessss [21]3 years ago

6 0

150 pounds is what i think i hpe its right good luck! from thatgirllexa

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-5 1/2 -4 1/4 - 6 3/4

BlackZzzverrR [31]

For this case we have an expression of mixed numbers:

$5 \frac {1} {2} = \frac {2 * 5 + 1} {2} = \frac {11} {2}\\4 \frac {1} {4} = \frac {4 * 4 + 1} {4} = \frac {17} {4}\\6 \frac {3} {4} = \frac {4 * 6 + 3} {4} = \frac {27} {4}$

Rewriting the expression we have:

$- \frac {11} {2} - \frac {17} {4} -\frac {27} {4} =$

Remember that equal signs are added and the same sign is placed.

$- \frac {11} {2} - \frac {44} {4} =\\- \frac {11} {2} - \frac {22} {2} =\\- \frac {33} {2}$

Answer:

$- \frac {33} {2}\\-(15 \frac {3} {2})$

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