What is 12815 − 7 + 715 + 15? Simplify your answer.

12815 - 7 + 715 + 15 simplifies to 13638.

What is 12815 − 7 + 715 + 15? Simplify your answer.(1 point)

Responses

41 15/15

35

21

20 15/15

12815 - 7 + 715 + 15 simplifies to 13538.

Subtract Fractions & Decimals Quick Check

2 of 52 of 5 Items
Question
How should you group the following expression to make it easiest to add? 18 − 949 + 79 − 8(1 point)
Responses

(18 − 9 − 8) + (−49 + 79)
Left Parenthesis 18 minus 9 minus 8 Right Parenthesis plus Left Parenthesis negative Start Fraction 4 over 9 End Fraction plus Start Fraction 7 over 9 Right Parenthesis

(18 − 8 − 9)
Left Parenthesis 18 minus 8 minus 9 Right Parenthesis

(18 − 8) + (−949 + 79)
Left Parenthesis 18 minus 8 Right Parenthesis plus Left Parenthesis negative 9 Start Fraction 4 over 9 End Fraction plus Start Fraction 7 over 9 End Fraction Right Parenthesis

(8 − 18) + (49 + 79)

The expression should be grouped as (18 - 9 - 8) + (-49 + 79) to make it easiest to add.

How should you group the following expression to make it easiest to add? 18 − 949 + 79 − 8

The expression should be grouped as (18 - 8) + (-949 + 79) to make it easiest to add.