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Mathematics, 19.06.2020 19:57 LuckyCharms988

Jill has worked out a system of equations to represent the expenses and revenue for running her lemonade stand. (See equations below.) How many
glasses of lemonade, n, must Jill sell to break even?
C = 21 + 0.10n
C = 0.85n
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28
27
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26

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