# Solution for a Word Problem: Displacement ratio

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The sail area-displacement ratio S provides a measure of the sail power available to drive a boat. For a boat with a displacement of 'd' pounds and a sail area of 'A' square feet

S = 16Ad-2/3

a) Find S for the Tartan 4100, which has a sail area of 810 square feet and a displacement of 23,245 pounds.

b) Solve the formula for 'd'

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##### Solution Summary

This shows how to solve an equation for a given variable.

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Problem:

The sail area-displacement ratio S provides a measure of the sail power available to drive a boat. For a boat with a displacement of 'd' pounds and a ...

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