X - 1 < = 9 or 2x > = 24
x < = 9 + 1 x > = 24/2
x < = 10 x > = 12
closed circle on 10, shaded to the left
closed circle on 12, shaded to the right
________10_______12__________
<====X X======>
the X represents closed circles
One dollar and eighty cents for wayside hotel
Two dollars and seventy five cents for blue sky hotel
Answer:
x = 14
Step-by-step explanation:

Bill paints 1/2 per hour. Bob paints 1/3 per hour. 1/2x+1/3x=1