Question

a ball point pen and a refill cost a total of rs.12.50. of the price of the ball point pen is 12 more than the price of a refil. what is the price of each??
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Answer 1

Step-by-step explanation:

Let, the price of refill be =a

and the price of pen be=a+12

ATQ, a+a+12=12.50

or,2a+12=12.50

or,2a=12.50-12

or,a=0.50÷2

or,a=0.25

So, the price of refill is Rs.0.25 and price of pen is Rs.12.25