Answer:
a. 42
Step-by-step explanation:
What I did was I multiplied each one by 35. (The formula for finidng area is width times length and we already know the area, 1470.) 1435x35 is way too big, 44x35 is 1540 still too big, but 42x35 is 1470 and the area is 1470 ft squared therefor, 42 is your answer.
