Question

Samir got a new pencil 12 cm long. He sharpened and sharpened that pencil unnecessarily. When he measured his pencil's length he found that it was only 5cm long. How much length of pencil did he waste by sharpening?​

Answer 1

Answer:

12-5=7

7 is the answer

Follow me.

Answer 2

heya!! here is your answer...

Before the pencil sharepend pencil height is 12 cm.

After the pencil sharpened pencil height is 5 cm.

So, by substracting we can get waste height of pencil.

waste height = 12-5 = 7 cm..