Question 1072089
A bus is at P 250km east from Q.
Travelling a distance of 400km to due west of P,it reaches at R.
Express this information by scale drawing and find 
:
R - -  - ? - - - -Q- - - - - - 250 - - - - - -R
< - - - - - - - -400 - - - - - - - - - - - -<- Bus 
:
"(I)the distance from Q to R
400 - 250 = 150
 (2)the bearing of Q from R
Q is due east of R, 90 degrees