SOLUTION: The usual toll charge to use the Bingham tunnel is 50 cents. If you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel ar

Algebra ->  Inequalities -> SOLUTION: The usual toll charge to use the Bingham tunnel is 50 cents. If you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel ar      Log On


   



Question 185522: The usual toll charge to use the Bingham tunnel is 50 cents. If you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel are needed before the sticker costs less than paying for each trip separately?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The usual toll charge to use the Bingham tunnel is 50 cents. If you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel are needed before the sticker costs less than paying for each trip separately?
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Let "x" be number of trips thru the tunnel.
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INEQUALITY:
sticker costs < per trip cost
550 + 35x < 50x
15x > 550
x > 36 2/3
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# of trips must be at least 37
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Cheers,
Stan H.