Answer:
x = 200
Step-by-step explanation:
[tex]x - y = 80 \: \: and \: \frac{3}{5} = \frac{y}{x} [/tex]
x = 80 + y, then
[tex] \frac{3}{5} = \frac{y}{80 + y} [/tex]
3(80 + y) = 5y
240 + 3y = 5y
240 = 5y - 3y = 2y
Divide both sides by 2
y = 120, therefore
x = 80 + 120 = 200
x = 200
