There were some rows of stools in a school field. Each row had 8 stools. When Kylie brought in 2 extra stools and rearranged all the stools, there were 6 stools in each row and 2 more rows than before. How many stools were there at first?
| |
First
arrangement |
Second
arrangement |
| Number |
1 u |
1 u + 2 |
| Value |
8 |
6 |
| Total value |
8 u |
6 u + 12 |
If another 2 stools are added in the first arrangement, the total number of stools in the first arrangement and the second arrangement will be the same.
8 u + 2 = 6 u + 12
8 u - 6 u = 12 - 2
2 u = 10
1 u = 10 ÷ 2 = 5
Number of stools at first
= 8 u
= 8 x 5
= 40
Answer(s): 40
