| Variables Worksheet #2 | Name - |
| Day of Week - |
1. Identify each of the following as either a declaration statement, an assignment statement, or a comment statement.
| ______________________________ | a/ | apples = 50; |
| ______________________________ | b/ | int dollars = 0; |
| ______________________________ | c/ | // John Doe |
| ______________________________ | d/ | cost = 0.50 * apples; |
| ______________________________ | e/ | double cost = 0.0; |
| ______________________________ | f/ | // variable declarations |
| ______________________________ | g/ | const double SALES_TAX = 0.06; |
2. Which data type - double or int
- would be the most appropriate for a variable that would be used in a program
to store.....
| ____________ | a/ | the quantity of apples purchased |
| ____________ | b/ | the cost of an Ipod |
| ____________ | c/ | the number of people that live in New York City |
| ____________ | d/ | the number of people that live on Earth |
| ____________ | e/ | your future salary in $ |
3. Write a single cout statement that would
display your last name on one line of output along with your phone number on
a second line of output. Do not use two separate cout
statements.
4. Write a single assignment statement that would computes the amount of sales tax that would need to be paid on a purchase and stores that computed amount of tax in the variable totalTax. Assume that the amount of the purchase is stored in the variable basePrice and that the tax rate is 6% (i.e. 0.06 as a percentage).