Five club officers want to go camping and they packed enough water to last
for 12 days. Just as they are about to leave, they are joined by 5 more
officers. How long will their water last now?
Answers
Given : Five club officers want to go camping and they packed enough water to last for 12 days.
Just as they are about to leave, they are joined by 5 more
officers.
To Find : How long will their water last now
Solution:
Let say one person drink water daily = x unit
then 5 persons drink water daily = 5x unit
=> 5 persons drink water in 12 days = 12 * 5x = 60x unit
They are joined by 5 more people
so Now total people = 5 + 5 = 10
10 people drink in 1 day = 10x unit
water last = 60x / 10x = 6 days
water will last for 6 days
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