Question 60619
{{{-w + a = 3122/5.2}}}
{{{+w + a = 3122/3.9}}}
add these
{{{2a = 31220*(1/52 + 1/39)}}}
{{{2a = 31220*((4+3) / (13*12))}}}
{{{a = 31220*7 / (13*12*2)}}}
{{{a = 700.45}}}
speed of aircraft with no wind is 700 mph
{{{+w + a = 3122/3.9}}}
{{{+w + 700.45 = 3122/3.9}}}
{{{w = 800.51 - 700.45}}}
{{{w = 100.07}}}
wind speed is 100 mph