a farmer want to fence in a rectangular pig pen along one side of barn.The farmer has 18 yards of fencing and wants the area of the pan to be 36 square yards. what should the width and length of the pen be?
and other problem .two ships leave the same port simultaneously. one ship travels north 30 mph, and the other travels east at 40 mph. how far apart are the ships after 30 minutes ?
thank you so much !