Question 998967
x wrong answers
y correct answers
{{{system(x+y=30,-3x+5y=95)}}}


Most important is to pick variables and figure out the formation of that system of equations.  Everything from there is just arithmetic.



....., or simple algebra of linear equations.


Try Elimination Method.



The trouble is {{{y=24&1/2}}}.  This should not really make sense for the situation.