550 people can complete a work in 100 days.After 10 days start of work 50 more people jion.In how more days now will be completed?
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Step-by-step explanation:
550 people complete work in 100 day
1 people complete work in 100×550 days
If 50 more people is added then total number of people =600 people
After ten days number of days left =90
600 people complete work in 90 ×550/600
=82 days
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