a dog shelter had 20 puppies last month. This month, 31 puppies are at the shelter. What is the percent of change?

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(1) Answers

chrissaccoh

Simple, finding markup, you'll use two equations
Markup=New-Original
Markup%=Markup/Original*100
Markup=31-20
Markup=11
Then,
Markup%= 11/20*100
M%=0.55*100
M%=55%
Thus, the percent of change was, 55%.