Solve the equation for y.
-The temperature, t, in degrees Fahrenheit, of water being heated is $$65 + \frac { 1 } { 4 } m$$ where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?
A) 17 min
B) 40 min
C) 20 min
D) 14 min

Question

Quizplus · Accepted Answer

To solve for the number of minutes (m) it takes for the temperature to reach 70 degrees Fahrenheit, we set the equation $65 + \frac{1}{4}m = 70$. Solving for m, we subtract 65 from both sides to get $\frac{1}{4}m = 5$, and then multiply both sides by 4 to isolate m, resulting in $m = 20$. Therefore, it takes 20 minutes for the temperature to reach 70 degrees Fahrenheit.

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