The fraction of the writing utensils that are black pens is 15/28. The correct option is C. 15/28
Fractions
From the question, we are to determine the fraction of the writing utensils that are black pens
From the given information,
5/7 of the writing utensils are pens
and
3/4 of the pens are black pens
Thus,
3/4 of 5/7 of the writing utensils are black pens
3/4 of 5/7
That is,
3/4 × 5/7
= 15/28
Hence, the fraction of the writing utensils that are black pens is 15/28. The correct option is C. 15/28
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