Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5 A. (5 + 4) + 6 B. (4 + 6) + 5 C. (5 + 6) + 4 D. 4 + (6 + 5)

Respuesta :

answer is 

B. (4 + 6) + 5

hope it helps

Answer:

The answer is B. (4+6)+5.

Step-by-step explanation:

To find the proper placement for a parentheses to speed up the addition, fisrt we have to look the expression:

[tex]4+6+5[/tex]

We can place the parentheses for the first two terms and make it simple, this is:

[tex](4+6)+5[/tex]

It makes the sum easy because you can make the sum in two parts.

The answer is B. (4+6)+5.