Question 1079340

{{{1}}}{{{ 1/9:(0.8y)=1/7:3.6}}}


{{{ (10/9):(8y/10)=(1/7):(36/10)}}}


{{{ (10/9)/(8y/10)=(1/7)/(36/10)}}}


{{{ (10*10)/(9*8y)=(1*10)/(7*36)}}}


{{{ 100/(72y)=10/(252)}}}


{{{ cross(100)10*252=cross(10)(72y)}}}


{{{ 10*252=72y}}}


{{{ 2520/72=y}}}


{{{ 35=y}}}