## In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic mea

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### In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic mea

by VJesus12 » Sun Aug 15, 2021 12:42 am

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In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic mean) sale for month $$J$$ at least $$20$$ percent higher than that for month $$M?$$

(1) For month $$M,$$ total revenue from sales was $$\3,500.$$
(2) For month $$J,$$ total revenue from sales was $$\6,000.$$

Answer: E

Source: Veritas Prep

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### Re: In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic

by gmatter2012 » Mon Sep 13, 2021 8:19 pm

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## Global Stats

VJesus12 wrote:
Sun Aug 15, 2021 12:42 am
In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic mean) sale for month $$J$$ at least $$20$$ percent higher than that for month $$M?$$

(1) For month $$M,$$ total revenue from sales was $$\3,500.$$
(2) For month $$J,$$ total revenue from sales was $$\6,000.$$

Answer: E

Source: Veritas Prep
1) cleary INSUFF as we do not know anything about month J
2) Cleary INSUFF as we do not know anything about month M

1+2
Although it seems together we can answer the question, we must remember that a month can be of 30 or 31 days. Since we do NOT know how many days either M or J has we cannot calculate the average correctly , and hence we cannot answer this question.

Ans- E

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