Question 550982
Southbound bus speed = x---- 9.00 am

North bound bus speed =x ---11.00am

before north bound bus starts south bound bus travels 2x km


they are going away so add up speeds
x+x = 2x km/h

352-2x is the distance
d/r = t

(352-2x)/2x = 3
352-2x=6x
352=6x+2x
352=8x
x=44 km/h