Find the area of the field by multiplying the length by the width:
360 x 160 = 57, 600 square feet.
Divide total area by 1000 and multiply by 8 to find how many pounds are needed:
57,600 / 1000 = 57.6 x 8 = 460.8 total pounds of fertilizer is needed.
Divide total by 50 to get the number of bags needed:
460.8 / 50 = 9.22 bags, round up to 10 .
You would need 10 bags.