Question

Bob is planting grass seed on a section of his
property that is 600,000 square inches. The seed
spreader Bob is using distributes approximately
16
seeds per square inch. There are
approximately 240,000 seeds in each pound
of seed.
Which is closest to the number of pounds of
grass seed needed to cover this section of Bob's
property?

Answer 1

The closest to the number of pounds of  grass seed needed to cover this section of Bob's  property is 40 pounds.

His property is 600, 000 square inches.

The seed spreader Bob is using, distributes  approximately 16 seeds per square inch.

Each pounds of seeds has approximately 240, 000 seeds.  

The pounds of grass seed require to cover his property can be calculated below.

1 square inch requires  16 seeds

600, 000 square inch ? seeds

cross multiply

seed to cover his property  = 600, 000 × 16  = 9,600,000 seeds

since,

240, 000 seeds = 1 pound of seed

9,600,000 seeds = ?

pounds of seed to cover his property = 9,600,000 / 240, 000

pounds of seed to cover Bob's property =  40 pounds

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