w varies directly as x and y and inversely as v^2 and w=1200 when x =4, y=9, and v=6. Find the equation.
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W = kXY/V²
Step 1: Find k; W = 1200 ; X=4; Y=9
1200 = k (4)(9)/(6)²
1200 = k(36)/36
k = 1200
Step 2: k = 1200; W = ? X=3; Y=12; V=9
W = kXY/V²
W = (1200)(3)(12)/(9)²
W = 43,200/81
W = 533 and 27/81 or 533 1/3
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