# math

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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 -

39.95-19.95=20
.39-.29=.10
20/.10=200m

• math -

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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