The first question:
0.2 of an hour is a fifth of the hour. Therefore, to find the number of feet walked per hour, multiply 70.4 by 5 and you'll get (A) 352.
The second question:
20.00 - 12.85 = 7.15
Then, divide 7.15 by 0.65 and the answer is 11 stickers (B)
I hope this helps!!! ^u^
