(5+5) + (5 + 6) + (5 + 7) + (5 + 8) + .... + (5 + 14) + (5 + 15)
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Given:
The function is:
Where y is the sales of lawn mowers t years after a particular model is introduced.
To find:
How many mowers will be sold 3 years after a model is introduced?
Solution:
We have,
Substituting , we get
On substituting the approximate value of ln(31), we get
Therefore, the 18887 mowers will be sold 3 years after a model is introduced.