 <translate> 40 people - 7 people = 33 people are wearing stripes. The number of people wearing horizontal stripes is 4 horizontal stripes / checkered shirt x 7 checkered shirts = 28 horizontal stripes. The number of people wearing vertical stripes is 33 total stripes - 28 horizontal stripes = 5 vertical stripes.
Therefore, the answer is 5. <yor> 40 ènìyàn - 7 ènìyàn = 33 ènìyàn ń wọ òpó. Nọmba awọn eniyan ti o wọ awọn ila ti o wa ni isalẹ jẹ 4 awọn ila ti o wa ni isalẹ / aṣọ ti a ṣe ayẹwo x 7 awọn aṣọ ti a ṣe ayẹwo = 28 awọn ila ti o wa ni isalẹ. Nọmba awọn eniyan ti o wọ awọn ila inaro jẹ awọn ila 33 lapapọ - awọn ila inaro 28 = awọn ila inaro 5. Nítorí náà, ìdáhùn náà ni 5. 