SOLUTION: A landscaper is preparing a circular flowerbed. The bed has a 12 -foot diameter. He will need 12 plants per square yard. How many plants should he buy? Thank you!

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Question 1036889: A landscaper is preparing a circular flowerbed. The bed has a 12 -foot diameter. He will need 12 plants per square yard.
How many plants should he buy?
Thank you!
Found 3 solutions by Boreal, MathTherapy, ikleyn:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
27 sq ft=1 sq yard
A=pi*r^2=36 pi
36pi/27=4.189 sq yds.
multiply by 12=50.26 plants or 50.

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

A landscaper is preparing a circular flowerbed. The bed has a 12 -foot diameter. He will need 12 plants per square yard. How many plants should he buy?
Thank you! 
Exactly 150.7964474, or about highlight_green%28matrix%281%2C2%2C+151%2C+plants%29%29

Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
A landscaper is preparing a circular flowerbed. The bed has a 12 -foot diameter. He will need 12 plants per square yard.
How many plants should he buy?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 

9 sq ft = 1 sq yard

A = pi%2Ar%5E2 = 36 pi sq ft.

%2836pi%29%2F9 = 4pi sq yds.

multiply by 12 = 150.72 plants, or 151.