GAUSS8 2003 Problem 12

Past Contests GAUSS8 GAUSS (GR. 8) - 2003
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1

A photo measuring 20\:cm by 25\:cm is enlarged to make a photo measuring 25\:cm by 30\:cm. The percentage increase in area is

Answer Choices
A. 250\%
B. 50\%
C. 80\%
D. 37.5\%
E. 25\%