Question 364555
<pre><font size = 3 color = "indigo"><b>
Hi, 
*Note: distance= rate * time Or rate = distance/time
rate with the wind = 180/1.5 = 120mph
rate against the wind = 180/2 = 90mph

s + w = 120mph
s - w = 90mph
2s = 210mph
s = 105mph, the speed of the helicopter
wind = 15mph