The sharks are fed three times a day. During the morning feeding, 2/ 15 of a ton of fish is fed. During the afternoon feeding, the weight of fish fed will be 1/ 15 of a ton more than the fish fed during the morning. If the total weight of fish fed in a day is 1/ 2 of a ton, how much is fed during the feeding at night?
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Answer:
Fish fed during nght = 1/6 tons
Step-by-step explanation:
Let the weight of the fish fed at night = X tons
In the morning, weight of the fish fed Wm = 2/15 tons.
In the afternoon, 1/15 ton more fish fed during morning.
∴ Weight of fish fed in afternoon Wa = 2/15 + 1/15 = 3/15 tons
As given,
Wm + Wa + Wn = 1/2 tons
∴ 2/15 + 3/15 + Wn = 1/2
∴Wn = 1/2 - 5/15
∴ Wn = 3/6 - 2/6
∴ Wn = 1/6 tons
Fish fed during night = 1/6 tons
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