SOMEONE PLEASE HELP WITH THIS! I WILL GIVE A BRAINLIEST What is the additive inverse of -5?

What is the multiplicative inverse of -5?

-3+x=7.2−3+x=7.2− 3 + x = 7.2; x =

-4w=-10−4w=−10− 4 w = − 10; w =

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?