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Jacob is the tallest player on the basketball team he is one 1 1/2 times as tall as the shortest girl in research group who is 4 1/4 feet tall how tall is Jacob

4 1/4 * 1 1/2 = 17/4 * 3/2 = 51/8 = 6 3/8 ft

or
3/2 (4 1/4) = (3/2 * 4) + (3/2 * 1/4) = 6 3/8 ft