Mathematics, 04.07.2019 00:30 453379

Brittney, a school teacher, needs to by pens and pencils for the new school year. pens cost $0.35 each and pencils cost $0.20 each. she needs to buy at least 300 pens and pencils, while spending no more than $80. which system of inequalities models correctly the number of pens, x, and number pencils, y, that brittney can purchase?

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Brittney, a school teacher, needs to by pens and pencils for the new school year. pens cost $0.35 ea...

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