There are 16 types of flowers used to decorate for a party. Twelve of the flowers types last an average of 4 days before they wi
2 answers:
Answer: The average number of days before the flowers wilt is 5 days .
Step-by-step explanation:
Since we have given that
Total number of flowers used to decorate for a party = 16
Number of days 12 of the flowers types last = 4 days
Number of days 4 of the flowers types last = 6 days
Since there are only 2 types of flowers that were group into.
We need to find the average number of days before the flowers wilt is given by
Hence, the average number of days before the flowers wilt is 5 days .
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Answer: 12 hours
Step-by-step explanation:
Given : Working together, it takes Sam, Jenna, and Francisco two hours to paint one room.
When Sam works alone, he can paint one room in 6 hours. When Jenna works alone, she can paint one room in 4 hours.
Let 't' be the time taken by Francisco to paint one room on his own.
Then , we have
Rate of work of Sam +Rate of work of Jenna + Rate of work of Francisco =Rate of work they all do together
i.e.
i.e.
i.e.
i.e.
i.e.
i.e.
i.e. t= 12
Hence, Francisco would take 12 hours to paint one room on his own.