Problema Solution

You need a new cell phone for emergencies only. Company A charges $12 per monthly

plus $0.10 per minute, while company B charges $0.15 per minute with no monthly

cost be the same?

Answer provided by our tutors

let 'x' represent the number of minutes spoken monthly


12 + 0.10x = 0.15x


by solving we find:


x = 240 min


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for 240 minutes both companies will charge the same.