What happens when you multiply a negative to a positive

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax

Wow i want to vacation in mexico jeremih wow old vacation in mexico jeremiah we read read reads a distance marker that indicates he is 89 km from juarez if 1 mile approximately 1.61 km how far is jeremiah from juarez

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?