varikaur wrote:
Hi Bunuel,
I tried solving this question by following method and i feel both the statements are not sufficient to get an answer.
given: The cost of a certain phone call was $0.75 for the first 3 minutes and $0.20 for each additional minute after the first 3 minutes. Did the phone call last longer than 15 minutes
let's assume phone call lasted for x mins
1) The cost of the phone call was less than $4.16
75+x*20< 416
x<17.04.. Not sufficient as x can be > , < or = 15
2) The cost of
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