Question

The cost of a note book is rs 4. More than the cost of 3 pens and the cost of notebook is rs 46?

Answer 1

Let the cost of one pen be x
3 penns =3x
According to the question
3x +4 =46
3x=42
X=14
Cost of per pen =14
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Answer 2

Hey!
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Let the cost of one pen be $\bf{x}$

$\large{\sf{∴ \: \: 3 \:pens = 3x}}$

$\large{\implies{\sf{3x + 4 = 46}}}$

$\large{\implies{\sf{3x = 46 - 4}}}$

$\large{\implies{\sf{3x = 42}}}$

$\large{\implies{\sf{x = \frac{42}{3} }}}$

$\large{\sf{\fbox{\red{x = 14}}}}$
$<b>$
Therefore cost of per pen is ₹ 14.