Buying fertilizer. The Martinezes’ yard is 96 feet by 169 feet, and a diagram of their yar...

Buying fertilizer. The Martinezes’ yard is 96 feet by 169 feet, and a diagram of their yard is given in Figure.

Figure The Martinezes’ yard.

The dimensions of the house, driveway, and garden are also given. The rest of the yard is grass. Mr. Martinez wants to fertilize his lawn. A bag of fertilizer covers 5,000 square feet. Estimate how many bags of fertilizer he will need. Explain how you made your estimate.