Susan makes and sells purses.The purses cost her $12 each to make, she sells them for $25.This Saturday, she is renting a booth
at a craft fair for $60. Write and solve an equation that can be used to find the number of purses Susan must sell to make a profit of $250 at the fair.
2 answers:
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Given:
The radius of the cone = 14 ft
The slant height of the cone = 27 ft
To find the lateral surface area and the total surface area of the given cone.
Formula
The lateral surface area of the cone is
and
The total surface area of the cone is
where,
r be the radius and
l be the slant height of the cone.
Now
Taking r = 14 and l = 27 we get
sq ft
or, sq ft
Again,
sq ft
or, sq ft
Hence,
The lateral surface area of the cone is 1187.5 sq ft and the total surface area of the cone is 1803.3 sq ft. Option C.