At the Cafeteria, Two Identical Glasses of Juice Were Poured

Multiple Choice

At the cafeteria, two identical glasses of juice were poured at the same time and put on the counter waiting for customers to take them. Their temperatures were 33^oF when they were poured, and the cafeteria was a stable 72^oF. One glass was 42^oF when it was taken after 40 seconds. What was the temperature of the other when it was taken after 200 seconds?

A) 61.5^oF
B) 64.7^oF
C) 66.7^oF
D) 58.3^oF