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 Nov 12, 2018
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I'm not sure I understand your question, but I'll give it a shot. 

 

With the equation y = 4.81x + 17.4, when $x = 15, y = 72.15 + 17.4, which equals 89.55. This rounds to [90].

 

When x = 9, y = 43.29 + 17.4, which equals 60.68. This rounds to [61].

 

You are welcome. 

 Nov 12, 2018
edited by Guest  Nov 12, 2018
edited by Guest  Nov 12, 2018

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