Question

a cup of coffee cools at a rate of 3% per minute. if the coffee is 100 degrees when you get it how will it be After 15 minutes? rounded to the nearest tenth

Answer 1

Answer: 55 degrees after 15 minutes.

Step-by-step explanation: 15 x .03 = .45

.45 x 100 = 45

100 - 45 = 55