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theo's cell phone company charges a $5 service plus $0.15 per message. How many messages did theo send and recieve if his bill was $27.70?
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theo's cell phone company charges a $5 service plus $0.15 per message. How many messages did theo send and recieve if his bill was $27.70?

User Carmello
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7.8k points

1 Answer

7 votes
you can write a function for this

$27.7 = 5 + .15x

and solve for x

x = 151.33 messages
User Wedge Martin
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8.4k points
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