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How many children had come to watch the movie?a) 324b) 540c) 432d) 243 |
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Answer» Given : movie time That day, the ratio of the number of adults to children was 3:5. Each person had a seat in the Balcony or had a seat in the Stalls. 2 /15 of the children had seats in the Stalls. 468 children had seats in the Balcony. There were exactly 1200 seats in the theatre. To Find : Question 14: How many children had come to watch the movie? a) 324 b) 540 c) 432 d) 243 Question 15: How many PEOPLE had come to watch the movie? a) 766 b) 700 c) 846 d) 864 What percentage of seats was occupied in the theatre? a) More than 70% b) Less than 70% c) More than 75% d) More than 80% Solution: Let say children were = 15C in stalls = (2/15)15C = 2C in Balcony = 15C - 2C = 13C => 13C = 468 => C = 36 => Children = 15C = 15 * 36 = 540 540 children had come to watch the movie ratio of the number of adults to children was 3:5. => Adults = (3/5) * 540 = 324 Total attendance = 540 + 324 = 864 864 people had come to watch the movie Total Seats = 1200 percentage of seats was occupied in the theatre that day = (864/1200) *100 = 72 % More than 70% was occupied in the theatre that day
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