I need to write a verbal rule to determine the total monthly cost of my cell phone, assuming I go over the 200 minutes. basic cell phone rate plan cost $29.99 a month plus 45 cents per minute for every minute over 200 minutes during the month.

Question

I need to write a verbal rule to determine the total monthly cost of my cell phone, assuming I go over the 200 minutes.  basic cell phone rate plan cost $29.99 a month plus 45 cents per minute for every minute over 200 minutes during the month.

Steve · Answer

subtract 200 from your minutes, multiply the difference by 45 cents, then add $29.99