Question

A man purchased 10 pens. He sold 5 pens at 25% profit and the remaining 5
pens at $16 \frac{2}{3}$% loss. If he received Rs 625 in total, find the cost price of each pen.

help!!!​

Answer 1

Answer:

Rs 60

Step-by-step explanation:

$5x \times (1+25\%)+5x \times (1-16\frac{2}{3}\%)=625$

$5x(1+0.25)+5x(1-1/6)=625$

$5x(1.25)+5x(5/6)=625$

$10.416667x=625$

$\frac{10.416667x}{10.416667}=\frac{625}{10.416667}$

$x=59.99999...$

$x=60$