Question

19. A bag contains 25-paisa and 50-paisa coins whose total value is ? 30. If themes
umes as old as he was 8 years ago. How old is Rahim
25-paisa coins is four times that of 50-paisa coins, find the number of each type
20. Five times the price of a pen is 17 more than three times its price. Find the
the pen.​

Answer 1

Step-by-step explanation:

20.

Let the price of the pen be x

5x = 3x+17

5x-3x = 17

2x = 17

x = 17/2

x = 8.5

Therefore the price of the pen is 8.5 rupees