Question

The price of a notebook was $3.35 yesterday. Today, the price fell to $3.10 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

Answer 1

$3.90 -$3.40 =$0.5($0.5/$3.90 )=(x/100)    (  0.5*100)=3.4x                 x =50/3.9                  x=12.8205 percent