Solve the Equation for Y $y = 15.2 - 0.537 x$

question 166

Multiple Choice

Solve the equation for y.
-The temperature of water in a certain lake on a day in October can be determined by using the model $y = 15.2 - 0.537 x$ where x is the number of feet down from the surface of the lake and y is the Celsius temperature of the water at that depth. Based on this model, how deep in the lake is the water 8 degrees? Round
To the nearest foot.

• A) 69 ft
• B) 32 ft
• C) 43 ft
• D) 13 ft

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