information into smaller parts.
Instead of trying to calculate everything at once, we begin with the combination that contains identical objects. This gives us the weight of one pencil.
Then we use that number to find the weight of the notepad.
Finally, we use the notepad’s weight to calculate the weight of the scissors.
This method is an example of step-by-step logical reasoning. Each answer provides the information needed to solve the next part of the problem.
It is a useful reminder that many difficult-looking questions become manageable when we
