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Question
A box contains a total of 68 pens and pencils. If the box contains 16 more pens than pencils, how many pens and pencils are there in the box?
A box contains a total of 68 pens and pencils. If the box contains 16 more pens than pencils, how many pens and pencils are there in the box?
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Solution
The correct option is D 42
Let x be the number of pens in the box.
Then number of pencils = x – 16
=> x + x –16 = 68
=> 2x – 16 = 68
=> 2x = 68+16 = 84
=> x = 842 = 42 pens
Let x be the number of pens in the box.
Then number of pencils = x – 16
=> x + x –16 = 68
=> 2x – 16 = 68
=> 2x = 68+16 = 84
=> x = 842 = 42 pens
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