Question

upstream and downstream sums​

Answer 1

Step-by-step explanation:

upstream = x-y

downstream = x+y

Answer 2

$\huge\underline \mathfrak \blue{Answer}$

The Stream Boat problems are a frequent part of many important exams. These problems can be split into two main sections. One of them is what we call the downstream problems. In the stream boat problems, a boat goes upstream or downstream. You will have to answer the questions about the speed of the boat and the speed of the river. Here we will see many such examples and try to get as familiar with these concepts as possible. Let us start with the visualization of the downstream problems and try to develop formulae. These formulae will help us establish a method that will accurately and swiftly solve these problems.