Over the last 50 years, the average temperature has increased by 2.5 degrees
worldwide.What is the rate of change in worldwide temperatures per year?

Respuesta :

50 * x = 2.5 * 1
50 * x = 2.5      /50
x = 2.5 / 50
x = 0.05 degrees per year

Result: The rate of change is 0.05 degrees per year.