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Help its pre algebra

Help its pre algebra-example-1
User Oceans
by
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1 Answer

6 votes

Answer:

$9 and $12

Explanation:

Let "s" be small boxes and "L" be large boxes.

12*s + 6*L = $180

3*s + 2*L = $51

From the first equation:

L = ($180 - 12*s) / 6 = $30 - 2*s

Plug that into 2nd equation:

3*s + 2*($30 - 2*s) = 3*s + $60 - 4*s = $51

s = $9

L = $30 - 2*s = $30 - $18

L = $12

User Srikant
by
9.1k points

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