Question

I wanna know the answer of Number 2

Answer 1

To answer this, convert "3 miles per hour" to yards per minute."

Since 1 hour = 60 minutes, and 3 feet = 1 yard, we get the following:

3 mi 1 hr 5280 ft 1 yd

-------- * ------------ * ------------ * ------------ = 88 yards / minute (answer)

1 hr 60 min 1 mi 3 ft

Heather walked 88 yards per minute.