Question

Matt had instructions to take a box of nails to a classroom that has a number equal to the remainder of the division 2960÷9. matt took the nails to class room 17. without performing calculations, tell whether matt is correct

Answer 1

2960 mod 9 = 8. So the classrooms he can take it to are 8, 17, 26, ... 17 is among these so he is correct