A cell phone company charges $30 a month plus $.07 per minute of talk. If the bill was $61.45, how many minutes did the person talk for?
Round to the nearest whole minute.
total bill is 61.45, minus 30 dollars gives 31.45 dollars paid for all minutes you talked. divide this by the amount you pay for 1 minute (= 0.07) equals 449.29 minutes
