On Wednesday night in St. Petersburg, Russia, the temperature is - 11°C. On the same night in Bombay, India, the temperature is 17°C. What is the difference in temperature? Show your work.

Hello! One number is negative and the other one is positive. In this case, we should find the difference they are from 0 and add the numbers up. - 11 is 11 units away from 0. 17 is 17 units away from 0. 11 + 17 = 28. The difference in temperature is 28 degrees Celsius.