alleryBy what number are both terms of 40:60 divided to reach 2:3?
A20
B10
C5
D2
Answer & Solution
Correct answer: A. 20
1. We need a divisor giving 2 from 40 and 3 from 60.
2. 40 / 2 = 20 and 60 / 3 = 20, so the divisor is 20.
3. Dividing by 10, 5 or 2 leaves a ratio that is not yet simplest.
_Source: Wikipedia, Ratio, Reduction_
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