alleryA box loses 3/5 of its pens, then 1/4 of the rest; adding 6 makes half the initial count; initial count?
A36
B24
C30
D40
Answer & Solution
Correct answer: C. 30
After both removals 3/10 of the pens remain, so 6 pens equal 1/2 − 3/10 = 1/5 of the initial count, which was 30.
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