Question

A boat goes up stream 30 km and down stream 44 km in 10 hours. It also goes up stream 40 km and down stream 55 km in 13 hours. Find the speed of stream and of the boat in still water​

Answer 1

$\boxed {{x = 8 \: kmph \: and \: y = 3 \: kmph.}}$

Answer 2

Answer:

answer is in attachment