Answer:
QUESTION 4 is 0.05
Step-by-step explanation:
you divide 1 dollar by the 20 apples.
He rowed 31.5 miles in half of an hour, to get speed per hour, you multiply by two.
31.5*2=63
Doug's average speed is 63 miles per hour~_~
I believe your answer is 4 4/9 as a mixed fraction but it can also be 40/9. Hope this helps :)