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3 boys or 4 girls can clean a compound in 8 hours.In how many hours will 3 boys and 2 girls clean the same compound? |
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Answer» Answer: In 5 HOURS 7 minutes because 3 boys N 4 girls that is 7 in total can clean the compound in 8hrs Like this 3 boys and 2 girls that is 5 in total can clean the same compound; 7 PEOPLE = 8 hrs 5 people = X X = 5 * 8 / 7 = 5 hours and 7 minutes |
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