Question

Three pounds of fertilizer will cover 15,000 square feet of lawn. If Ken wants to fertilize 35,000 square feet of his lawn, which proportions could he use to make the best estimate for the number of pounds of fertilizer he needs?

Answer 1

Ken requires 7 pounds of fertilizer to cover 35,000 square feet of lawn, calculated using a proportion based on the given rate of coverage for the fertilizer.

Step-by-step explanation:

To calculate the amount of fertilizer Ken needs for his 35,000 square feet lawn, we should set up a proportion using the information provided:

3 pounds of fertilizer covers 15,000 square feet.

Likewise, x pounds of fertilizer will cover 35,000 square feet.

So the proportion will be:

3 pounds / 15,000 square feet = x pounds / 35,000 square feet

Solving for x gives us:

x = (3 pounds * 35,000 square feet) / 15,000 square feet

x = 7 pounds

Therefore, Ken needs 7 pounds of fertilizer to cover his 35,000 square feet of lawn.