# math

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Mary and four of her friends earn a total of \$152 doing odd jobs this weekend. The girls decide to treat themselves to lunch, and then donate the remainder of the money to a disaster relief fund. Write and solve an algebraic equation to determine the total cost of the lunch if each girl had \$23 left to donate. Show inverse operations.

• math -

152 - lunch = 5(23)

152 - lunch = 115
37 = lunch

you can flesh out the steps in more detail

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