The number of cells in a tumor doubles every 2.5 months. If the tumor begins with a single cell, how many cells will there be after 2 years? And after 3 years ?

Answer question above and explain each step : )

What expression is equivalent to 1/2(2+3x-6)

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.