explanation- so the opposite of a positive is a negative, the opposite of a negative is a positive. so it is the same for this. for example 10/7 is positive so you make it a negative for it be the opposite.
i would help with the rest, but it is hard when you have to label things on a diagram when you are doing it on a computer like this. sorry!
There are 60 minutes in one hour multiply the number of hours by the number of minutes per hour 2.5×60=150 the answer is Aubrey played on the playground for 150 minutes
