Question

Justin hair is 3 1/4 inches long. How long will it be in 2 months if it grows ½ each month.which method will not give the correct number of inches

Answer 1

3 1/4 + 2(1/2) =

3 1/4 + 1 = 4 1/4 inches

Or

3 1/4 + 1/2 + 1/2 = 4 1/4 inches

Answer 2

3 1/4 + 2*1/2 =

3 1/4 + 1=

4 1/4 inches