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2.On Sunday 845 people went to the Zoo. On Monday only 169 people went. What is the per cent decrease in the people visiting the Zoo on Monday?
Answer :

Given, Number of people went to Zoo on Sunday = 845
Number of people went to Zoo on Monday = 169

So the decrease in number of people visiting the Zoo = 845 – 169 = 676

Hence we have the decrease in percent:

\(=\frac{decrease \;in \;the \;number \;of\; people\; visiting \;the \;zoo}{total \;number\; of \;people\; visiting \;the \;zoo \;on\; sunday}\times 100\)

\(= \frac{676\times100}{845}=80\)%

Hence we have the decrease in per cent of visiting people= 80%