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Chris found the average change of his stock portfolio over the following months: -9.23 in June, -7.13 in July, +31.50 in August, and +5.16 in September. Estimate the average change in his stocks by rounding to the nearest whole number.


A. +5 per month


B. +8 per month


C. +31.50 per month


D. +20 per month

 Oct 13, 2019
 #1
avatar+109450 
+2

[ -9 - 7 + 32 + 5 ]  / 4  =  

 

[ 21] / 4  = 5.25 ≈   +5 per month

 

 

cool cool cool

 Oct 13, 2019

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