You just purchased a cellular phone and are trying to decide the best cellular p

Question

You just purchased a cellular phone and are trying to decide the best cellular phone company in which to give your business. When you contacted the Talks-A-Lot Company, they were offering a monthly plan of $40 for 500 minutes and $0.25 for each minute over the 500 minutes. In the Sunday paper you see an ad for the ChatAway Company, which offers a monthly plan of $35 for 500 minutes and $0.30 for each minute over the 500 minutes. How many minutes would you have to talk over the 500 minutes for the cost to be the same with both companies? What would be the equal cost?

Explanation / Answer

please rate - thanks You just purchased a cellular phone and are trying to decide thebest cellular phone company in which to give your business. Whenyou contacted the Talks-A-Lot Company, they were offering a monthlyplan of $40 for 500 minutes and $0.25 for each minute over the 500minutes. In the Sunday paper you see an ad for the ChatAwayCompany, which offers a monthly plan of $35 for 500 minutes and$0.30 for each minute over the 500 minutes. How many minuteswould you have to talk over the 500 minutes for the cost to be thesame with both companies? What would be the equal cost? x=minutes talked set up an equality and solve 40+(x-500).25 = 35+(x-500).3 multiply 40+.25x-125=35+.3x-150 add -85+.25x=-115+.3x subtract .25x from each side -85=-115+.05x add 115 to each side 30=.05x divide both sides by .05 x=600 he would have to talk 600 minutes (100 over the 500 given) tobreak even the cost is 40+100*.25 or    35+100*.30 40+25                      35+30 $65                             $65

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