If .08x+.05(3,400-x)=245 then x=?
.08x+.05(3,400-x) = 245 simplify
.08x + 170 - .05x = 245
.03x + 170 = 245 subtract 170 from both sides
.03x = 75 divide both sides .03
x = 75 / .03 = 2500
