Question 640303
let the speed of car=x miles/hr 
so that of truck =2x/3 miles/hr
in 2 hrs (from noon to 2 pm)
car travels 2x miles & truck 4x/3 miles
both travel in opposite directions
so the distance=2x+4x/3=10x/3=140miles
so x=42 miles/hr=car speed ans