7 hours + 6 hours + 6 hours
=19 hours
12 minutes + 46 minutes + 53 minutes
=111 minutes
=1 hour 51 minutes
19 hours + 1 hour and 51 minutes is 20 hours and 51 minutes. This is the total time.
Average time = total time/number of deliveries
(20 and 51/60) divided by 3
=6.95 hours
= 6 hours and 57 minutes
Answer:
I'm pretty sure its 2.9 hours
Step-by-step explanation:
hope this helps
Answer:
You dont add the denominators since they are the same. You just add the tops. Therefore your answer is 1 or 3/3.
Step-by-step explanation:
Yes, it is right... you correctly distributed the negative, and combined like terms... great job!