Problem

$7.$ If $cost-DricC$ $0ta$ calculator becomes $6.4$ times $0t$
itself and $sc1ling$ price also increases $b\right)$ $450%$
then new profit percentage $is$ 76%.find initial
profit %?

Probability and Statistics

Solution

Qanda teacher - lezlycross

please do evaluate and please gift me coins

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$7$ $1$ $c0st-Dric$ $0^{fa}$ calculator becomes $6.4$ times $00$
itself and $sclling$ price $als0$ increases $b\right)$ $450%$
then new profit percentage $i6$ 76%.find $iniia|$
profit %?

Probability and Statistics