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Students sold yogurt to raise money for graduation. The first 20 yogurts sold cost $5 each. To sell more yogurt they lowered the cost to $4 each. If they raised $216, how many y…

Students sold yogurt to raise money for graduation. The first 20 yogurts sold cost $5 each. To sell more yogurt they lowered the cost to $4 each. If they raised $216, how many y…
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Students sold yogurt to raise money for graduation. The first 20 yogurts sold cost $5 each. To sell more yogurt they lowered the cost to $4 each. If they raised $216, how many yogurts did they sell in all?

User Darlene
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5(20) + 4y = 216
100 + 4y = 216
4y = 216 - 100
4y = 116
y = 116/4
y = 29.....so they sold 29 four-dollar yogurts + 20 five-dollar yogurts....for a total of 49 yogurts sold <==
User Knuckles The Echidna
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