Answer:
46.5
Step-by-step explanation:
convert 15 1/2 to 15.5
multiply it by 3 because it moves 15.5 milea every 1/3 of an hour
m < -4
-3m - 4 > 8
add four to each side
-3m > 12
divide each side by -3 (since you are dividing by a negative the sign changes from > to <)