A.
V=LWH
10,800= (3x)(2x+1)(12) here I would divide out the 12, then distribute the 3x
900= 6x^2 +3x
6x^2 + 3x -900= 0 now use the quadratic formula to find x
x= 12
B. now plug in the x into each given dimension
L= 3x= 3(12)= 36
W=(2x+1)= 2(12)+1= 25
She needs to sell at least 1,400 pottery bowls in order to get a $25,000 profit.
