A shopkeeper bought an electric fan for Rs 2,000 and fixed its price 20% above the cost price. If he/she then gives 15% discount, how much should a customer pay for it with 15% VAT? ​

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

Ithink i know it but i want to be sure so can you me out ?

The triangles are similar. what is the value of x? enter your answer in the box.