what is the length of a phone call that would cost the same no matter which company is used? company A:35 cents plus 3 cents per minute and 45 cents plus 2 cents per minute
Let x be the length of call in minute
Answer: 10 minutes
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?