Question

PLZ ANSWER THIS

For a college project, Ella recorded the fluctuations of a (virtual) stock market through the month of January. She noticed that the market followed a pattern! On Jan 1, it rose by 31 points and then fell by 30 points on Jan 2. It then rose again by 29 points on Jan 3 and fell by 28 points on Jan 4; and so on until end of the month. What was the market’s net change for the month?

Answer 1

Answer:

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Answer 2

Answer:

16 is the net change

Step-by-step explanation:

because

after every 2 days market rises by 1 point

and there are 31 days in January

therefore

31/2 = 15.5 approx 16 as every odd day the market rises