Answer:
20 minutes remaining.
Step-by-step explanation:
200 minutes - 60 minutes = 140 minutes
140 minutes - 2(60) minutes = 20 minutes
Thus, she has 20 minutes left or 1/3 of an hour before her children return home.
Answer:
20 minutes
Step-by-step explanation:
60 + 60 + 60 = 180
200 - 180
20