Question

Sally has been measuring the tree in her yard for a science project. The tree has grown 12\dfrac{1}{2} 2 1 ​ start fraction, 1, divided by, 2, end fraction of an inch each month and grown a total of 22 2 2 inches taller. How many months has Sally been measuring this tree?

Answer 1

4 months is the right answer ( if the tree grown is 1/2 and total 2 inches taller)

Explanation:

let sally measuring the tree for x months

(1/2)x = 2

multiply both sides by 2

x = 4

x = 4 months

Sally has been measuring the tree for 4 months.