4h +7 >20
1) Gathering the data
more than 20 h > 20
5 days painting + 7h on the weekend
Weekdays = Mon to Fri
Weekend =Sat, Sun
2) Setting an inequality
Mon to Fri (5 days. 20 /5 =4 In a day 4 hours)
In a week:
4h +7 >20
4h +7>20
4h >13
h>0.65 1h 05 per day approximately 1 h per day.