Steps: 1. To do this problem, you have to divide the area by the length 2. To make this easier, turn both numbers into improper fractions 143/32 divided by 11/4 3. To divide you actually have to multiply by the reciprocal 143/32 times 4/11 equals 572/352 4. Turn 572/352 into a mixed number which is 1 220/352 5. Now you simplify it by dividing the numerator and denominator by 44 6. Your answer is. 1 5/8