There are 250 people in a museum, 2/5 of 250 are girls, 3/10 of 250 are boys. the rest are adults. how many adults are there?
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Answer:
75
Step-by-step explanation:
total no. of people=250.
no.of girls =2/5*250
=100
no.of boys=3/10*250
=75
no.of adults=250-(100+75)
=75
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