Problema Solution

brooke has to set up 70 chairs in equal rows for the class talent show. But,there is not room for more than 20 rows. what are the possible number of rows that brooke could set up?

Answer provided by our tutors

let x be the number of equals rows


since there shouldn't be more than 20 rows


x <=20


the rows should be equal that is x divides 70


70 = 2*5*7 thus the possible number of rows is


2, 5, 7, 10 and 14.