Answer B) is the correct answer
Answer:
one third
Step-by-step explanation:
If the average rates were 20 and 25 miles per hour, then together they cover 45 miles of the distance they are separated by per hour. The ships will be 30 miles apart when 270 miles have been covered, so it takes 270/45=6 hours to cover the distance. 6 hours after 5 PM is 11:00 PM.
Answer is 3
You do rise over run
Answer:
Mildred's actual report card average would have to be 86%