Can some one answer these pls

What is the first step of an indirect proof of a number that is divisible by two

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?

If bill bought a home for $210,000 and he sold it a year later for $120,000 his percentage of loss is