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5times the difference of a number and 20 is the same as half the sum of 4 more than four times a number
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Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?
Answers: 2
5times the difference of a number and 20 is the same as half the sum of 4 more than four times a num...
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