Asked by Anonymous

sam must paint his bedroom ceiling. the diagram below represents his bedroom ceiling and includes a circular light fixture with a diameter of 2 feet. a gallon of paint covers 16 square feet and costs $8.95. how much will sam have to spend on paint to cover the entire ceiling except for the light fixture? assume he cannot buy a fraction of a gallon of paint.
Answered by Ms. Sue
Don't you realize that we can't see the diagram and you haven't given the dimensions?

Answered by Anonymous
the length is 12 and the width is 9
Answered by Ms. Sue
12 by 9 = 108 square feet

Area of light fixture:

A = pi * r^2
A = 3.14 * 1^2
A = 3.14 sq. ft.

108 - 3.14 = 104.86 sq. ft.

104.86/16 = 6.55 gallons

7 * 8.95 = ?


Answered by Anonymous
where do you get 7 from?
Answered by Anonymous
wait ... is the 7 from 6.55?

so would the answer for 7 * 8.95 be
$62.65 ???
Answered by Peter
Funny, the REA's testware has this same question, ceiling dimensions 12/9 which is
108 - the light fixture diameter 2 = area 3.14=104.86 sq ft, agreed. divided by 16 sq ft per gallon = rounded 7 gallons
their answer choices:
$44.75 $50.20 $38.50 $42.99
am i crazy or is it NONE of these !!!
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