There are 42 people walking in 2 rows. How many people are walking in 1 row?

21 people

Step-by-step explanation:

Forty-two people in two rows means that forty-two is divided into 2 groups.

42/2=21

HTH :)

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square