Question

In a lab, a substance was cooled by 6 degrees celsius each hour for 12 hours.

The total change in temperature was what?

Answer 1

72 degree Celsius

Explanation:

Since every hour the temperature is cooled by 6⁰C and the total time spent was 12 hour we can do a simple multiplication shown:

6 * 12 = 72

Answer 2

72 degrees 72° Celsius. It changed by 72 degrees.

Explanation:

6 * 12 because it changed 6 degrees each hour for 12 hours

6 *

12

—-

72