Help required to solve algebra 1 homework
A boat covers a certain distance downstream in one hour, while it comes back in one and half hours. If speed of the stream be 3 kmph , what is the speed of the boat in still water?
Let s = the speed of the boat in still water.
s = 15 km/hr
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.