Summer Clouds moderators
04/11/2017 at 23:22-
Let a, b be the length and the width of the rectangle. The new area of the rectangle is :
\(\left(a+75\%.a\right)\left(b+25\%.b\right)=\dfrac{7}{4}a.\dfrac{5}{4}b=\dfrac{35}{16}ab=218.75\%.ab\)
The answer is : 218.75% - 100% = 118.75%