Athermometer measures 56 degrees on monday and the true temperature is 65 degrees. the temperature is measured with the same thermometer for the next 5 days and it is 9 degrees less than the true temperature each time. what is this an example of?

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?