Question 1069218
This was answered about a week or more ago, but then it was written better than it is here.


p, monthly income of father
0.2p, quantity of income to be given as allowances, same as 20% of p


The second child will be given {{{highlight_green(100-45-20=35)}}} percent of 0.2p, and this second child specifically receives 3000 , of whatever that money unit is  (#).


{{{0.35*0.2p=3000}}}----solve for p.