Question: ..... 28 3 . . . . . :..... . . ... ... ... .. .... 26. Plan A ..;.. -.. ... 24 . ..

 ..... 28 3 . . . . . :..... . .

..... 28 3 . . . . . :..... . . ... ... ... .. .... 26. Plan A ..;.. -.. ... 24 . .. ... ..... ... ...... 22. .. ... ... ... 20 _. Cost .. ... ...... ... .. Plan B 18. ... ... ... .. (in dollars) 16 .. ... ... 14 .. ... 12 _ 10 ..... .. 80 100 120 140 160 180 200 220 240 260 280 300 Minutes used (per month) (a) If Raina makes 120 minutes of long distance calls for the month, which plan costs more? OPlan A OPlan B How much more does it cost than the other plan? $0 (b) For what number of long distance minutes do the two plans cost the same? If the time spent on long distance calls is less than this amount, which plan costs more? OPlan A OPlan B

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