SOLUTION: A hard boiled egg has a temperature of 98 degrees celsius. If it is put into a sink that maintains a temperature of 18 degrees celsius, its temperature x minutes later is given by

Question 1032719: A hard boiled egg has a temperature of 98 degrees celsius. If it is put into a sink that maintains a temperature of 18 degrees celsius, its temperature x minutes later is given by
T(x) = 18+80e ^-0.28x. Hilda needs her egg to be exactly 30 degrees celsius for decorating. How long should she leave it in the water?

I am confused on how to set this equation up properly.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let
==>
==>
==> minutes
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