SOLUTION: A $3.00 toll is charged to cross the bridge from Sanibel Island to mainland Florida. A six-month pass, costing $15.00, reduces the toll to $.50. A one year pass costing $150, allow
Algebra.Com
Question 309715: A $3.00 toll is charged to cross the bridge from Sanibel Island to mainland Florida. A six-month pass, costing $15.00, reduces the toll to $.50. A one year pass costing $150, allows for free crossing. How many crossings per year does it take, on average, for the two six-month passes to be the most economical choice? Assume a constant number of trips per month. Show work and explain. Thanks
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A $3.00 toll is charged to cross the bridge from Sanibel Island to mainland Florida. A six-month pass, costing $15.00, reduces the toll to $.50. A one year pass costing $150, allows for free crossing. Show work and explain. Thanks
-------------------
No Pass Cost: C(x) = 3x dollars
--------------------------
6-month pass Cost: S(x) = 15 + 0.5x dollars
--------------------------
1-year pass cost: Y(x) = 150 dollars
--------------------------------------------------
How many crossings per year does it take, on average, for the two six-month passes to be the most economical choice? Assume a constant number of trips per month.
Comment: What "two six-month passes"?
======================================
Cheers,
Stan H.
======================================
RELATED QUESTIONS
A $3.00 toll is charged to cross the bridge from Sanibel Island to mainland Florida. A... (answered by josmiceli,stanbon)
the toll to a bridge is $2.50. A three month pass costs $12.00 and reduces the toll to... (answered by macston)
A tour boat makes the round trip from the mainland to a fishing village in 6 hours. If... (answered by ankor@dixie-net.com)
Twenty-six percent of all cars crossing a toll bridge have a commuter sticker. What is... (answered by stanbon)
A discount pass for a bridge cost $30 a month. The toll for the bridge is normally $5,... (answered by josmiceli)
Sergio's internet provider charges its customers $15 per month plus 4ยข per minute of... (answered by ikleyn)
how do I solve this problem by method of addition and substitution:
A toll bridge... (answered by Earlsdon)
jenny leaves florida at 8:00 am. Her average speed results in 50 miles per hour. Jim will (answered by checkley77)
At noon, one ship sails north from Castaway Island at 15 knots and another ship sails... (answered by Abbey)