Question

Flying with the wind, a small plane flew 332 mi in 2 h. Flying against the wind, the plane could fly only 318 mi in the same amount of time. Find the rate of the plane in calm air and the rate of the wind

Answer 1

332/2 = 166 = v+c
318/2 = 159 = v-c

2 v = 166+159 = 325 etc

Answer 2

325