The temperature of a city changed by a total of −15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week.
Part A: Write an expression to show the average change in the temperature of the city each week.
Part B:Simplify the expression and explain, using words, what your answer means.
average weekly chang in temp = total change / no of weeks = -15/5 = -3
You can think about the rest