the question is Lee and Jessie swam towards each other from opposite sides of a lake that is 3.9 km wide. Find their speeds if they left each side at 2:00 pm and met at 2:30 pm jessies speed was 1km/hr greater than Lee. ?

Question

ajprincess · Answer

Let the speed of Lee be xkm/hr.
Then Jessie's speed will be (x+1)km/hr.
Let the distance coverd by Lee before meeting be $d_1$ nd the distance covered by Jessie be $d_2$.
$d_1+d_2=3.9$
$\large v=\frac{d}{t}$
$\large t=\frac{1}{2}$
|dw:1348486253306:dw||dw:1348486284621:dw||dw:1348486316756:dw|
Can u find the velocities?