Quinn and Derek bought office supplies together. Quinn bought 10 packages of paper and 12 boxes of pens for a total cost of $ 33. Derek bought 15 packages of paper and 7 boxes of pens for a total of $ 27.5o. How much did a paper package cost? How much did a bunch of pens cost?

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Ответ:

raweber

27.01.2020

Mathematics

D. 32

Step-by-step explanation:

${4}^{ - 1} \times ( {2}^{3} \div {4}^{ - 2} )$

${2}^{ - 2} \times ( {2}^{3} \div {2}^{ - 4} )$

${2}^{ - 2} \times {2}^{7}$

$= {2}^{5} = 32$

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