Respuesta :

Answer

75 adults

WORK

total number of ppl; 250

number of girls 2/5 / 250

equals to 2 x 50 is 100

number of boys  = 3/ 10  / 250

3 x 25 is 75

number of adults = 250—100—75=250—175=75

so to conclude, it is 75 adults

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Step-by-step explanation:

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Answer:

The answer are given above in the attachment.

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