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Wednesday, November 9, 2011

Chapter 2.2 Question 19

19. A company made a profit of $8.6 million in it's first term. It lost $5.9 million in it's second year and lost another $6.3 million in it's third year.

a) What was the average profit or lost per year over the first three years?
1.2 million per year

year 1 year 2 year 3
8.6 -5.9 -63





Formula to get the average of the profit or lost per year:

y1+y2+y3
_________
3
8.6+-5.9+-6.3
___________ = -1.2
3
8.6+-.9= 2.7
2.7+-6.3= -3.6
-3.6÷3= -1.2


b) The company broke even over the first four years. What was it's profit or loss in the fourth year? 3.6 million profit or lost in the fourth year

y1+y2+y3=
8.6+-5.9+-6.3
8.6+-5.9= 2.7
2.7+-6.3= -3.6

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