SOLUTION: set up and solve a proportion for the following application problem. if 4 pounds of grass seed cover 407 square feet how many pounds are needed for 6512 square feet?

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Question 985910: set up and solve a proportion for the following application problem. if 4 pounds of grass seed cover 407 square feet how many pounds are needed for 6512 square feet?
Found 2 solutions by macston, ikleyn:
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
x=pounds of seed needed
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4lbs%2F407ft%5E2=x%2F6512ft%5E2 Cross multiply.
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%284lbs%29%286152ft%5E2%29=%28x%29%28407ft%5E2%29 Divide by 407ft^2.
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%28%284lbs%29%286152ft%5E2%29%29%2F%28407ft%5E2%29=x
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60.5lbs=x
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ANSWER: 60.5 pounds are needed for 6512 square feet.

Answer by ikleyn(52810) About Me  (Show Source):
You can put this solution on YOUR website!
.
4%2F407 = x%2F6512.

x = %284%2A6512%29%2F407 = 64.

Answer.  64 pounds of grass are needed to cover  6512 square feet.