A homeowner called in a painter to paint the bedroom walls and ceiling. The bedroom is 18 ft long. 12 ft wide, and 8 ft high. The room has two doors each 3 ft by 7 ft and three windows each 3 ft by 5 ft. The doors and windows do not have to be painted. A gallon of paint con cover 300 sq ft. How many gallons of paint are needed to paint the room

i don't see nikolas work.

step-by-step explanation:

a is the right answer

5+2x=a

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this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x