Which number sentence below matches this word problem? there are 6 days until richard's concert. susie's concert is 7 days after richard's. how many days are there until susie's concert? a.6 + 7 = 13 b.13 - 6 = 7 c.7 × 6 = 42 d.42 6 = 7

Correct option is:

A. 6 + 7 = 13

Step-by-step explanation:

There are 6 days until Richard's concert.

i.e. After 6 days there will be Richard's concert

Susie's concert is 7 days after Richard's.

i.e. After 6+7=13 days there will be Susie's concert

Hence, Correct option is:

A. 6 + 7 = 13