Having the same number of students in each row, 80 students can be arranged in 80 rows of 1, 40 rows of 2, 20 rows of 4, 10 rows of 8, and 5 rows of 16.
33 desks can be arranged into six rows having no rows, 1 row, 2 rows, 3 rows, 4 rows, or 5 rows with exactly 5 desks.
You can have: 1 row of 36 2 rows of 18 3 rows of 12 4 rows of 9 or 6 rows of 6, so in total there are 5 ways.
You can't
1 row of 12 12 rows of 1 3 rows of 4 4 rows of 3 2 rows of 6 6 rows of 2
Having the same number of students in each row, 80 students can be arranged in 80 rows of 1, 40 rows of 2, 20 rows of 4, 10 rows of 8, and 5 rows of 16.
select 2 rows, the no. of rows you select will be the no. of rows to be inserted
116 ÷ 2 = 58 even rows. There will also be 58 odd rows.
2
36 clowns divided by 2 rows = 18 clowns per row.
2 plus 1 or 1 plus 2
14 tiles
14*13/(2*1) = 91 combintions.
33 desks can be arranged into six rows having no rows, 1 row, 2 rows, 3 rows, 4 rows, or 5 rows with exactly 5 desks.
1 row of 4 items 2 rows of 2 items 4 rows of 1 item
1 row of 180 - 2 rows of 90 - 3 rows of 60 - 4 rows of 45 - 5 rows of 36 - 6 rows of 30 - 9 rows of 20 - 10 rows of 18 - 12 rows of 15 - 15 rows of 12 - 18 rows of 10 - 20 rows of 9 - 30 rows of 6 - 36 rows of 5 - 45 rows of 4 - 60 rows of 3 - 90 rows of 2 - 180 rows of 1 - total of 18 ways within the limits of the question
2-3