Question

Find the percent of increase or decrease. Round your answer to the nearest percent.  Orginal Amout: $6.50, New Amount: $11.50, Percent of Change: A) 34%, B) 45%,C)53%, D)67%, E)77%.

Answer 1

start=6.50, end=11.50, delta=5

% chaenj=100*delta/start

=100*5 / 6.5

=500/6.5

=76.923%

or bout 77%