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The toll for crossing the bridge is $0.75 each crossing. [#permalink]
01 May 2008, 20:28
The toll for crossing the bridge is $0.75 each crossing. Drivers who frequently use the bridge may instead purchase a sticker each month for $13.00 and then pay only $0.30 each crossing during that month. If a particular driver will cross the bridge twice on each of x days next month and will not cross the bridge on any other day, what is the least value of x for which thius driver can save money using the sticker?