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%.
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1 Answer

Solve for X by Graphing | TI-83 Plu...
Solve for X by Graphing | TI-83 Plus and TI-84 Plus graphing calculators
start=6.50, end=11.50, delta=5

% chaenj=100*delta/start

=100*5 / 6.5



or bout 77%

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