The amount of money Sarah have left written as an expression is 55 - 3m
The amount of money Sarah have left = Amount Sarah received for her birthday - (Number of shirts bought × Cost of each shirt)
= 55 - (3 × m)
= 55 - 3m
The complete question:
Sarah received $55 dollar sign,for her birthday. She used some of that money to buy 3 shirts priced at m dollars each. How much money does Sarah have left? Write your answer as an expression.
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