Question 947400
Rate*Time=Output
{{{J*10=100}}}
{{{J=10}}}
..
.
.
{{{M*8=100}}}
{{{M=100/8}}}
{{{M=25/2}}}
So then,
{{{(M+J)*t=100}}}
{{{(10+25/2)*t=100}}}
{{{(20/2+25/2)t=100}}}
{{{(45/2)t=100}}}
{{{t=200/45}}}
{{{t=40/9}}} {{{hrs}}}