Fun Math - English: "How Many Geese?"A flock of geese flew up and was met by a gander. "Hello, hundred geese!" he said."Oh, no, there are not a hundred of us!" the geese answered. "If you want to know how many of us there are, then double our number, and add half of that, then a quarter, and you as well, fine gander, and then there will be a hundred of us." How many geese were there in the flock? Cùng giải trí chút với câu đố vui này nào các em ơi! ☺☺☺ À mà, các em đã tham gia...
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Fun Math - English: "How Many Geese?"
A flock of geese flew up and was met by a gander. "Hello, hundred geese!" he said.
"Oh, no, there are not a hundred of us!" the geese answered. "If you want to know how many of us there are, then double our number, and add half of that, then a quarter, and you as well, fine gander, and then there will be a hundred of us." How many geese were there in the flock?
Cùng giải trí chút với câu đố vui này nào các em ơi! ☺☺☺
À mà, các em đã tham gia Cuộc thi Toán Tiếng Anh VEMC trên Hoc24 để có cơ hội rinh phần thưởng siêu to khổng lồ chưa nào?
Assume the number of geese is a (a>0)
a x 2 + \(\dfrac{a}{2}+\dfrac{a}{4}+1=100\)
\(\Rightarrow2a+\dfrac{a}{2}+\dfrac{a}{4}=99\)
\(\Leftrightarrow\dfrac{8a}{4}+\dfrac{2a}{4}+\dfrac{a}{4}=99\)
\(\Leftrightarrow\dfrac{11a}{4}=99\)
\(\Leftrightarrow11a=396\Leftrightarrow a=36\)
I don't know if I do it correctly, sorry if it is wrong
totally correct! Well done!