There is 28.57% error in Sydney's calculations.
Step-by-step explanation:
Given,
John's prediction = Approx value = 5 days
Actually snowed = Exact value = 1 week = 7 days
Percent error = [tex]\frac{|aprrox-exact|}{exact}*100[/tex]
[tex]Percent\ error=\frac{|5-7|}{7}*100\\Percent\ error=\frac{|-2|}{7}*100\\Percent\ error=\frac{|-200|}{7}\\Percent\ error=28.57\%[/tex]
There is 28.57% error in Sydney's calculations.
Keywords: percent, error, division
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