Each inch on ruler A is marked in equal $$\frac{1}{8}$$-inch units, and each inch on ruler B is marked in equal $$\frac{1}{12}$$-inch units. When ruler A is used, a side of triangle measures 12 of the $$\frac{1}{8}$$-inch units. When ruler B is used, how many $$\frac{1}{12}$$-inch units will the same side measure ?
Side of triangle = 12 ofย (1/8)th units = 12*(1/8) = 1.5 inches.
Now, x of (1/12)th units = 1.5 inches
Hence, x = 18.
Therefore, the correct answer is option A.
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