Question

I like my cup of tea to be at 145 degrees F when I drink it....

I like my cup of tea to be at 145 degrees F when I drink it. The kettle boils water to 212 degrees F. If
the room temperature is 70 degree F, how long will it take my cup to reach it’s desired temperature if the k
constant for this cup is 0.1739?

Math   Precalculus   
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