Average of money that group of 4 friends pay for rent each month is $800.After one persons rent is increased by 16% the new mean is $850.What was original rent of friend whose rent is increased?  Select the correct option:
A) 800  B) 900  C) 1000  D) 1100  E) 1250
0.16X = 4(850-800)   0.16X = 200   X = 1250   Answer 1250
<result>E</result>
Average of money that group of 4 friends pay for rent each month is $800.After one persons rent is increased by 16% the new mean is $850.What was original rent of friend whose rent is increased?