Multistep randy's circular garden has a radius of 1.5 feet. he wants to enclose the garden with edging that costs $0.75 per foot. about how much will the edging cost? explain.

To do this we will find the edge of the circle with C=pi*d
Since the radius is 1.5, the diameter is 3 (1.5*2)
Then we plug this into the formula
C=pi*3
C=9.42 feet 

Then if it costs 0.75 per foot, we can do 0.75*9.42 to get the cost to be $7.07

Hope this helps

Circular

find circumference

c=2pir
r=1.5
c=2pi1.5
c=3pi
if we use pi=3.141592
c=9.41478

so cost per foot
total cost=cost per foot times number of feet
total cost=9.42478 times 0.75
total cost=7.0685...
it costs $7.07 to edge it

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