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There are 250 people in a museum.
2/5 of the 250 people are girls
3/10 of the 250 people are boys
The rest of the 250 people are adults
Work out the number of adults in the museum.

Correct answer:

a =  75

Step-by-step explanation:

n=250 g=52 n=52 250=100 b=103 n=103 250=75  a=ngb=25010075=75

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