Instructions

Print the value obtained when you take the square root of this number and then square it. Don't be surprised if the result is an approximation of the number and not the number itself.

You might find it handy to consult the list of built-in functions on the Help page.

Write a program that prints the total bill, including tax and a 15% tip, for a meal that costs $8.00. The tax rate in Ontario is 13%.

The total bill will be the sum of the meal cost, the tax, and the tip.

Calculate the tax on the meal cost only (there should be no tax paid on the tip) and calculate the tip on the meal cost only (there should be no tip paid on the tax).

Don't worry if your answer gives more than two decimal places of accuracy.

Now modify your program to be more generous. This time, you should calculate the tip on the meal plus the tax. The tax should still be calculated on the meal alone.

The meal cost is still $8.00 and the tax and tip rates are still 13% and 15%, respectively.

All you need to change is the calculation of the tip.

Don't worry if your answer gives more than two decimal places of accuracy.

You're having second thoughts about being quite so generous. Modify the program to reduce the previous tip by calculating just the dollar amount of the tip, taking away the cents.

The meal cost is still $8.00 and the tax and tip rates are still 13% and 15%, respectively.

All you need to change is the calculation of the tip.

Don't worry if your answer gives more than two decimal places of accuracy.

Write a program that prints the cost of renting a snowboard for 13 days.

If you rent a snowboard for five consecutive days, the total cost is $150 for those five days. You can rent it for as many five-day stretches as you wish, each at this rate. If you rent a snowboard for less than five consecutive days, the cost for each day is $50.

To figure out the total price, fit in as many five-day stretches as you can and then pay the higher rate for any remaining days. Use the quotient and remainder functions in your solution.

You might find it handy to consult the list of built-in functions on the Help page.

Write a program that prints the area of wrapping paper needed to cover a box that is 50 centimetres wide, 100 centimetres long, and 10 centimetres tall.

You can assume that the paper does not overlap anywhere.

Write a program that prints the total length of ribbon needed to wrap a box that is 50 centimetres wide, 100 centimetres long, and 10 centimetres tall.

The ribbon should cover the top and bottom of the box in both the long and short directions, and should cover each of the four sides once each.

You should leave another 20 centimetres for tying the bow.

Write a program that prints the area of a circle of radius 5.

Now modify your program to print the area of a circle of radius 5 by importing just the constant $\pi$, not the entire math module.

Optional challenge: feel free to skip this question.

Now modify your program to ask the user for a number and then print the area of a circle with that number as the radius.