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When it comes to averages, we know that average value = (sum of n values)/nparulmahajan89 wrote:The average arthmetic mean(average monthly) income of four workers is $2200.After one worker's income increases by 25% the new average income is $2400. What was the original income of the worker whose monthly income was increased?
A)$800
B)$1200
C)$2400
D)$3200
E) It cannot be determined from above
.parulmahajan89 wrote:The average arthmetic mean(average monthly) income of four workers is $2200.After one worker's income increases by 25% the new average income is $2400. What was the original income of the worker whose monthly income was increased?
1)$800
2)$1200
3)$2400
4)$3200
5) It cannot be determined from above
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