Help, please explain to me more

A mail order house sells five different products whose retail price are product 1-$ 2.98, product 2- $4.50, product 3- $ 9.98, product 4- $4.49 and product 5- $ 6.87. write a program that reads a series pf pairs of numbers as follows:

1. Product number.
2. Quantity sold for one day.

and then it says: Your program should use a (switch statement) to help determine the retail price for each product.
Your program should calculate and display the total retail value of all product sold last week.

Could you please explain it more to me and what does it mean by Switch Statement??
And in how many ways can I solve this??In If statements or Loops or Normal Statements??

you should read a tutorial on switch statements, they are all over google! Here's some psuedocode that might help:

1: Have the user enter the product number.
2: Have the user enter the amount of products sold.
3: Loop through until user has entered all of the desired products that were sold.
4: multiply each products value by the number that was sold with a switch statement
5: add them all and display results

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Could you please explain it more to me and what does it mean by Switch Statement??

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It's explained in the first few chapters of any beginning C++ book. Look around near the section that explains if statements.

Read this: Switch case from "Cprogramming.com's C++ made Easy"

Thanks a lot for your help.I am very gratefull to you.