math

Alec bought 3 trays of eggs each containing 30 eggs. She paid sh270 for each tray of eggs. Nine eggs were eaten at home and the rest were sold. If Maria made a profit of 20%, how much did she sell each egg?

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asked by kgk

  1. total cost: 270*3 = 810
    total eggs: 30*3 = 90
    eggs sold: 90-9 = 81

    at a price p, she made 20%, so

    81p = 810 * 1.20

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    posted by Steve

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