Answer: A) 20 minutes
B)2 and 1/3 hours
Explanation:
A) 1/3 of an hour is 20 minuets because 60÷3=20
This means that 20 minutes are spent combing his hair each day
B) He spends 20 minutes combing his hair each day so 20×7=140
140÷60=2 and 1/3 hours per week