Question

A customer came to a shop and asked the shop manager to give a 20% discount on listed price of a pen. Moreover, for every 10 pens purchased he wanted two pens free of cost. The manager agreed to the customer's demand because he could still make a profit of 20% on cost price. If the cost price of a pen is x, what was the list price of the
pen?

(A)1.75x
(B)1.8x √
(C)1.9x
(D) 2x
(E) none of these

How to do this? ​

Answer 1

please follow plz plz ......