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iragen [17]
3 years ago
6

I am the number of red tiles in a design with red and blue tiles. The red tiles each have 3 sides. The blue tiles each have 5 si

des. There are 3 blue tiles. There are 30 sides on the tiles in all. What number am I?
Mathematics
1 answer:
zzz [600]3 years ago
7 0
15: the red tiles are triangle, blue tiles are pentagons
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