The answer is 2.... The 6x4 photo because that's the only one with common factors so there won't be any empty space at the end.
As far as how many... find the area of both and divide:
6x4=24 72x72=5184 5184/24= 216 photos
The size of the photo that can be placed on the **square **bulletin board without any spaces or overlapping is 5 by 7. Approximately 148 photos of that size can be placed on the bulletin board. ;
The size of the photo that can be placed on the bulletin board without any spaces or overlapping is 6 by 4. A total of 216 of these photos can fit on the 72 by 72 bulletin board.
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Jawaban:air, tanah, udara, cahaya matahari, suhu, dan iklim