(Answer for 13A - Science Class

13A. Gillian is conducting an experiment for science class. She is adding
ice to two glasses of water, and recording the temperature of the water
every minute for 1 hour. Glass A started at 80°F. It is cooling at a rate of 2
degrees per minute after having ice added. Glass B started at 95°F. It is
cooling at a rate of 3 degrees per minute after having ice added. Gillian
hypothesized that the two glasses would reach the same temperature
after 15 minutes. Was her hypothesis reasonable? (justify/defend)
Your answer