Harry is in line at the store. he has 3 items that cost $5.95,$4.25 and $1.05.explain how harry can add the cost of the items mentall before the pays for them

Although it beats the purpose of adding mentally by explaining how to do it. I will tell you an easy way.

First, you want to try to make it .00

5.95
1.05
——
7.00

Now, you add you can just add 4 then add the .25

7.00
4.00
——
11.00
0.25
——
11.25 dollars

The answer is 60.9774