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2.8 Literal Equations. Objective: Use formulas to solve real-world problems. Example. The formula for the volume of a rectangular prism is V= lwh where l is the length, w is the width, and h is the height. Solve the formula for w.
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2.8 Literal Equations Objective: Use formulas to solve real-world problems
Example The formula for the volume of a rectangular prism is V=lwh where l is the length, w is the width, and h is the height. • Solve the formula for w. • Find the width of a rectangular prism that has a volume of 79.04 cubic centimeters, a length of 5.2 centimeters and a height of 4 centimeters
Example The formula represents the amount o Of pressure exerted on the floor by a ballroom dancer’s heel. In this formula, P is the pressure in pounds per square inch, W is the weight of a person wearing the shoe in pounds, and H is the width of the heel of the shoe in inches.
Example 2 Cont’d • Solve the formula for W • Find the weight of the dancer if the heel is 3 inches wide and the pressure exerted is 30 pounds per square inch.
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