jane took 15 min to drive her boat upstream to​ water-ski at her favorite spot. Coming back later in the​ day, at the same boat​ speed, took her 10 min.

Question

jane took 15 min to drive her boat upstream to​ water-ski at her favorite spot. Coming back later in the​ day, at the same boat​ speed, took her

10 min. If the current in that part of the river is 2 km per​ hr, what was her boat speed in still​ water?

Answer 1

(s-2)*15=(s+2)*10 Rate*Time= Distance

15s-30=10s+20

You should be able to finish it from here.