Question 1140341

{{{x -.2x = 500 }}}


{{{x(1 -.2) = 500 }}}


{{{x(.8) = 500 }}}


{{{x = 500 /.8}}}


{{{x = 500 /(8/10)}}}


{{{x = 500 /(4/5)}}}


{{{x = (5*500 )/4}}}


{{{x = (5*cross(500)125 )/cross(4)}}}


{{{x = 5*125}}}


{{{x = 625}}}