make an equation and solve the problem

label Mathematics
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what is the length of a phone call that would cost the same no matter which company is used? company A:35 cents plus 3 cents per minute and 45 cents plus 2 cents per minute

Oct 29th, 2014

Let x be the length of call in minute

35+3x=45+2x

3x-2x=45-35=10

x=10

Answer: 10 minutes

Oct 29th, 2014

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