Mathematics, 18.01.2020 06:31, ghetauto

During the first 11 months of a recent year, a certain charitable organization received an average (arithmetic mean) of $20,600 per month in donations. how much did the organization receive in donations during december of that year if the average amount of donations per month for the entire year was $21,000 ? a. $21,400
b. $21,600
c. $24,000
d. $25,400
e. $25,800

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During the first 11 months of a recent year, a certain charitable organization received an average (...