Conditionals

• At a particular toll bridge, Class 1 vehicles are charged 25 cents, Class 2 vehicles are charged 50 cents, and Class 3 vehicles are charged 75 cents. Write a function that takes a class number (1, 2, or 3) as input, and returns the toll amount.

  My solution.

• The bank will charge you for every check you write, but this amount that is charged is based on your balance. If your balance is less than $100, each check you write will cost 50 cents. If your balance is between $101 and $200, the bank will charge you 40 cents per check. If your balance is between $201 and $500, the check charge is only 30 cents. If you keep a $500 balance, then there is no charge for writing checks.

  Write a function which takes a balance (in dollars) and returns the per-check charge.

  My solution.

• A mail-order company charges a shipping cost based on the number of items you order. If you order 3 or fewer items, the cost is $2 per item. If you order 4 items but less than 10 items, it is only $1.10 per item. But if you order 10 or more items, there is a flat fee of $12.

  Write a function which takes a number of items and returns the total shipping cost.

  My solution.