$1.5\times 0.8= 120\textbackslash\%$. 
The length of a rectangle is increased by $50\textbackslash\%$ and the width is decreased by $20\textbackslash\%$. What percent of the old area is the new area? (adapted from 2009 AMC 8, Question \#8) 
Options:
a) $$90$$ 
b) $$95$$ 
c) $$100$$ 
d) $$110$$ 
e) $$120$$ 