Question

find the percent increase in the price of an article if it increases from rs 150 to rs 450​

Answer 1

$\bf{\underline{\underline{\bigstar\bigstar\: Solution :}}}$

$\:\:$

$\footnotesize{ Percent \: increase = \dfrac{ difference }{old \: value} \times 100 \%}$

$\footnotesize{\implies Percent \: increase = \dfrac{ 450 - 150 }{150} \times 100 \%}$

$\footnotesize{\implies Percent \: increase = \dfrac{ 300 }{150} \times 100 \%}$

$\footnotesize{\implies Percent \: increase = 2 \times 100 \%}$

$\footnotesize{\implies Percent \: increase = 200 \%}$

$\:\:$

$\footnotesize{\bold{ Percent \: increase = 200 \%}}$