A rare whale fossils was uncovered under layer of sediments. when excavator took mesurement, she found the tail to be long as head

A rare whale fossils was uncovered under layer of sediments. when excavator took mesurement, she found the tail to be long as head plus a quarter of the length of the body. when the archeologist came in, he measured the length of the body. he found it to be 3/4 of the total length they made arguments about how such a fish would swim in the water. To make proper predictions, they measured the head size and found it to be 4 inches long. what is the total length of the whale?​

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