Answer:

Step-by-step explanation:

Read the problem.
Write down the facts and figures.
Find a relationship between what is given and what must be found.
Do the work.
Answer:
89
Step-by-step explanation:
25 watches equals a $50 bonus + 25 * 4
25*4=100
100+50=150
150 can go into 506 three times with a remainder of 56.
since it fits three times that is 75 watches
now divided the remainder by 4 and add this to 75.
56/4=14
75+14=89
89 watches
He did not divide his milligrams by the proper factor. He treated it as if it were only kilograms. He should have divided by a million.