Answer:
Its easier to do it on a number line but I'm going to give you the straight answer when you count from negatives to positives you go left to right -15, -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1 and then always have the 0 so 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 It would be 25
