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

Question 338578: 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 ankor@dixie-net.com(22740) (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?
:
Let t = no. of trips for sticker to be less than paying for each trip
:
Total cost paying for each trip = .50t
Total cost using the sticker = 5.50
:
.50t > 5.50
t >
t > 11 trips, 12 trip will make the sticker a better deal
:
:
Check this .50*12 = $6
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