SOLUTION: The average of x numbers is 15. If two of the numbers are each increased by y, the new average will be increased by how much
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Question 663154: The average of x numbers is 15. If two of the numbers are each increased by y, the new average will be increased by how much
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The average of x numbers is 15.
the total of the 15 original numbers = 15x
:
If two of the numbers are each increased by y, the new average will be increased by how much?
15x+2y = total of x numbers now
Therefore
= the new average
:
Find the difference in the averages
- 15 = = is the dif in average
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