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Write an algebraic expression for the number of letters

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Reference no: EM131582919

Question: It cost Marci 20 cents to mail a postcard and 33 cents to mail a letter. She sent either a postcard or a letter to each of 18 people and spent $4.38 total.

Let x represent the number of postcards she wrote, and write an algebraic expression for:

a) The total cost in dollars of the postcards

b) The number of letters

c) The total cost in dollars of the letters

d) The sum of the costs in parts a and c is $6.00. write and solve an equation to determine the number of postcards marci mailed.

Reference no: EM131582919

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