Bird group population
Number Theory
Level
2
A Bird says to the head Bird, "There is a lot of us here, I think we have a hundred!" The leader bird said he was wrong. "We would need 4 times of our group and a sixth of us to be a hundred."
How many birds are in the group?
18
34
24
58
26
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Answer
= 100 ÷ 4⅙
= 100 ÷ (25/6)
= 100 × (6/25)
= 24