Question

mrs. Fisher has 91 watches on display at her store she says she can arrange them into rows and columns without any watches leftover mr. Fisher says that she can only make 1 row with all 91 watches who is right and why

Answer 1

Mrs fisher because u can do 7 on 13 or 13 on 7

Answer 2

Mrs.Fisher is right because she can do 13 in 7 rows or 7 in 13 rows