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SAT Math: Solving for an Unknown Variable Using Proportions 7 Views


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Hydrostatic pressure is the force exerted by liquid upon an object. It is measured in pounds per square inch (psi) and increases proportionally with depth. At 23 meters under the sea, the hydrostatic pressure is 32.2 psi, and at 57 meters deep, it is 79.8 psi. What is the hydrostatic pressure 45 meters under the sea in units of psi? Round your answer to the nearest whole number.

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