By graphing the system of constraints, and using the values of x and y that maximize the objective function, find the maximum value. 6 <= x + y <= 13
x >= 3
y >= 1

maximum for P = 4x + 3y

A. P = 51
B. P = 27
C. P = 38
D. P = 45

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step-by-step explanation:

step-by-step explanation:

the given 6 = w/p is equivalent to 6p = w, where w is the total area of the walls and p is the area covered by a single can of paint.

knowing that 6 cans of paint will be needed, 6p = w becomes 6(6) = w = 36.   this tells us that the total area to be painted is 36 square units.