You need to buy grass seed for a new lawn. The lawn will cover a rectangular plot that is 60 feet by 90 feet. Each ounce of grass seed will cover 120 square feet. How many ounces of grass seed will you need to buy?

Answer :

daltonpayne
You'll need to buy 45 ounces of grass seed.

60x90=5400.
5400/120=45.

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