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Mathematics 21 Online
OpenStudy (jaylelile):

How do I go about solving this problem? Molly is supposed to call her boyfriend every Thursday night. There are two phone companies she can use: TCC charges $0.15 per minute (no matter how long the call). UFC charges $0.55 for the first minute plus $0.10 for every additional minute. How many times can Molly talk to be charged the same amount by either phone company?

ILovePuppiesLol (ilovepuppieslol):

ah so this is what we do 0.15x is the equation for TCC

ILovePuppiesLol (ilovepuppieslol):

for UCC it is 0.10x+0.55

ILovePuppiesLol (ilovepuppieslol):

this is cause x is how many minutes we call for

ILovePuppiesLol (ilovepuppieslol):

so we put it like this 0.10x+0.55=0.15x

ILovePuppiesLol (ilovepuppieslol):

can u take it from here? just figure out what x is for them to equal each other @jaylelile

OpenStudy (jaylelile):

ohhhhh okay thank you so much

ILovePuppiesLol (ilovepuppieslol):

no problem :)

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