How many gallons of primer and paint are needed to paint the ceiling of the residence shown in Figure 16.18? The ceiling is to receive one coat of primer and two coats of paint. One gallon of primer will cover 275 square feet and one gallon of paint will cover 350 square feet with a single coat.
What will be an ideal response?
The quantity of paint and primer is calculated as follows:
Ceiling area (sf) = 36? × 26? – 4? × 12?6? = 886 sf
Gallons of primer = 866 sf / 275 sf per gallon = 3.2 gallons – Order 4 gallons
Gallons of paint = 2 coats × 866 sf / 350 sf per gallon = 4.9 gallons – Order 5 gallons
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