Step-by-step explanation:
Science book weighs = 2 1/2 = 2.5 pounds
Library books weigh = 3/8 = 0.375 pounds
Math book weighs = 2.5 ÷ 2 = 1.25 pounds
Total weight of the books = 2.5 + 0.375 + 1.25 = 4.125 pounds
Answer:
512 units towards the right of the y-axis, and 1 unit below the x-axis.
50