lets take shirts as x and ties as y 4x+2y=95 3x+3y=84 common in 3 and 2 is 6 3*2 =6 and 2*3+6 3(4x+2y=95) 2(3x+3y=84) 12x+6y=285 6x+6y+168 add 12x and 6x erase 6y's and add 285 and 168 18x=453 x=453/18 25.17 6x+6y=168 151.02+6y=168 6y=16.08 y=2.68 then 25.17+5.36 =30.53 total answer