alleryTotal population doubles; children's share falls from 30% to 20%. Their number becomes?
AFour-thirds of before
BThe same as before
CTwo-thirds of before
DOne-third of before
Answer & Solution
Correct answer: A. Four-thirds of before
The child count changes from 0.30 times the original population to 0.20 times twice that population, so the ratio is 0.40/0.30=4/3.
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