PLEASE ANSWER ASAP LIKE WILL BE PROMISELY GIVEN.

PLEASE DO NOT USE CODE FROM OTHER CHEGG QUESTIONS, DO YOUR OWN CODE

PLEASE DO NOT USE OTHER CODE FROM OTHER PREVIOUSLY POSTED CHEGG QUESTIONS OTHERWIRSE I WILL GIVE DISLIKE, WRITE YOUR OWN FRESH CODE

You write a bashcscript to show that you can use * variables and use them in mathematical operations * read and write operations such as read and echo commands * control statements such as if, case statements use loops * some linux operations