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David's cell phone company charges $0.45 for each text message plus a monthly fee of $50.00. He owes $91.40. Write and solve an equation to find the number of text messages did David has?

User Krlv
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91.40 - 50.00 = 41.40
41.40 ÷ .45 = 92
David sent 92 text messages.
(sorry if the format is wrong)
User Nic Benders
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