Math, asked by nidhi9017, 1 year ago

A boat goes upstream with speed of 30km/hr while downstream has 50KM/HR FIND OUT SPEED OF BOAT STILL IN WATER ?

Answers

Answered by adee1729
1
let the speed of the boat in still water be x km/hr. and speed of the stream be y km/hr,

then
according to the question, we have

x-y=30,...........eq(1),


x+y=50,............eq(2),


now adding these two equations, we have e

2x=30+50,

2x=80,

hence

x=40 km/hr
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