3/8 of the people at a restaurant are adults. if there are 100 more children than adults, how many children are there?
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Answer in explanation
Step-by-step explanation:
Let the total number of people at restaurant be x.
Given: Number of Adults = 3x/8
⇒ Number of children = x - 3x/8 = 5x/8
According to the question
5x/8 - 3x/8 = 90
⇒ x/4 = 90
⇒ x = 90 × 4 = 360
Hence number of children = 5 × 360/8 = 225
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