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  Ebony’s bank balance first reached $400 on Day 4. The last day her balance was $400 was Day 8.

(a)   Determine B(5) B(6) and B(7)  . Explain how you determined these amounts.

 Sep 27, 2019
 #1
avatar+22017 
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Between day 4  (400) and  day 8 (400)   the graph is flat.....all of the days between 4 and 8 have the same value of $400

 Sep 27, 2019
 #2
avatar+2847 
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Wow ! electric! I didn't think it was that simple XD

CalculatorUser  Sep 28, 2019

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