Question

16) In 2015, the cost of X pens was Y rupees. In 2018, the cost of 2X pens was ()Y rupees. By What % did the price of pen decreased from
2015 to 2018
A) 35%
B) 50%
C) 75%
D) 100%
E) None​

Answer 1

Answer:

50 %

Step-by-step explanation:

In2015 the cost of X pen was Y rupees and in 2018 the cost of 2X pen is Y rupees which means we can buy 2 pens in same price so it was decreased by 50%