Answer:
They are clearly written to be able to find a clear solution, it clearly tells you what to do, and how, you just have to find out the way to be able to use the hints in a simple word problem, so it finds its way to be solved
Step-by-step explanation:
the difference between 100,000,000 and -100,000,000 is greater than a hyphen. Mathematical sentences without symbols would be as nonsensical as regular sentences without verbs: they tell you what to do
