Question

Kapil bought some packets of pens. He bought one packet containing $5$ pens and $n$ packets containing $2$ pens each. Which of the following expressions could be used to find the total number of pens that Kapil bought ?

• A. $7n$
• B. $10n$
• C. $5+2n$
• D. $2+5n$

Answer 1

The correct option is C $5+2n$

Number of packets bought $=1+n$

Given that,

Single packet has $5$ pens and $n$ packets have $2$ pens each

$\therefore$ Total number of pens in $n$ packets $=2n$

$\therefore$ Total number of pens bought by Kapil $=2n+5$