You have bought a mobile phone which is yet to be connected to a communications company. You have two communication companies to choose from, which are:
1. Phonekom charges forty cents each time you make a phone call plus three cents for every second you use he phone.
2. Communico charges fifty cents each time you make a phone call plus one cent for every second you use the phone.
AT WHAT TIME WILL EACH TELECOMMUNICATIONS COMPANY CHARGE THE SAME AMOUNT?
2006-10-01
01:27:26
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8 answers
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asked by
Anonymous
in
Mathematics