Answer:
5 hours
Explanation:
If the total amount you made that day was $27 and there is a set cost of $7.00 you v=can subtract 7 from 27 then divide the remaining amount of money ($20) by the hourly wage ($4) and you get 5 hrs. Another way to look at it is 5 hrs times $4 or 5 times 4 = 20 +7 = $27