Question

Aliaba was arranging the carpets for the flying carpet brigade They were going to fly in a rectangular formation when he put 4 carpets in each row he ad 3 left over . When he put 5 carpets in each row he had one left over. How many carpets could there have been in the carpet brigade ?

Answer 1

divide by five, remainder 1
6, 11, 16, 21, 26, 31 , .......

divide by 4, remainder 3
7 , 11 , 15 , 19 , 23 , 27 , 31 score !

31 makes 7 rows of 4 with 3 left over
31 makes 6 rows of 5 with 1 let over

Answer 2

11 is just the first one :) There are lots.

Answer 3

There are 6 carpets