Question

on selling 30 pens at 800, there is a loss equal to the cost price of 5 pens. The cost price of a pen is:
a. $23
b. $25
c. $32
d $53

Answer 1

Step-by-step explanation:

1 pen cost price is x tk

5 " " " " 5x tk

30 " " " " 30 tk

aq,

5 x + 800 = 30x

25x=800

x=32