Question 421014
5 hrs 3 min = {{{5*60 + 3 = 303}}} min
With quick call:
{{{.18*303 = 54.54}}}
With Econo Phone:
{{{ 303/15 = 20.2}}}
This is {{{20*15 = 300}}} min to nearest 15 min
{{{300/60 = 5}}}
{{{ 7.9*5 = 39.5}}}
Econo Phone is cheapest @ $39.50