See the attached picture:
we know that
1) <u>convert miles per hour to feet per hour</u>
<u>2) convert feet per hour to feet per second</u>
Round to the nearest whole number------->
therefore
<u>the answer is</u>
Answer 38.6
Step-by-step explanation:
21 x .84 = 17.64
17.64 + 21 = 38.64
You add all of those numbers together and get your answer which is 60, so basically like this
25.50 + 14.25 + 18 + 2.25 = 60