Question

Perry has 81 red balls, which she wants to arrange in rows. If the number of balls in each row must be equal to the number of rows, how many balls must there be in a row?

Answer 1

Answer:

9

Step-by-step explanation:

Answer 2

let in one row no. of balls = x
then no. rows = x
total balls = x² = 81
so x= 9 balls
so 9 balls should be in a row.