Answer:
8: subtract 1.50 from 11.50 until you get to 7.00 and count how many times you subtracted it that is your answer
9: take 254 and subtract 4 until you get to 228 count how many times you subtracted and that is your answer
10: take ten and add 6 until you get to 46 count how many times you added and that is your answer
Explanation: