Step-by-step explanation:
The horse eats 9/12 in 9 days.
Answer:
84 feet
Step-by-step explanation:
If the perimeter is 36 feet, and all the sides are the same length, then all the sides are 9. if we increase the length by 3 feet and decrease the width by 2 feet then we are left with 12 * 7 = 84
Think of absolute value and inverse operation, +72 to 72 and 24
