Posted by rj on Thursday, April 11, 2013 at 9:23am.
Rents a van at daily rate of $19.95 plus .39/mile, another company will rent same van for $39.95 plus .29/mile. for what mileage are the costs the same?

math  gngraqn, Thursday, April 11, 2013 at 9:42am
39.9519.95=20
.39.29=.10
20/.10=200m

math  Reiny, Thursday, April 11, 2013 at 10:23am
cost1 = .39x +19.95 , where x is the number of mile
cost2 = .29x + 39.95
when is cost1 = cost2 ?
.39x + 19.95 = .29x + 39.95
.1x = 20
x= 20/.1 = 200
the cost is the same at 200 miles
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