shongmadi77
19.08.2019 •
Mathematics
Amason wants to start building a stone pyramid the base of which has 551 blocks and the top 26th layer has only 1. if the number of blocks on each layer follow an arithmetic sequence, how many blocks should he get?
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Ответ:
Ответ:
8x:3x - number of blue chips is doubled
8x-3x=15
5x=15
x=3
So, there are 9 red chips