Answer :
Answer:
30 pesos
Step-by-step explanation:
Given
- Had 200 pesos originally
- spends 'y' pesos on a notebook
- Bought 4 colored pens with the rest of the money
Solving
- Let money of the pen = x, money of notebook = y
- 4x + y = 200
- 4x + 80 = 200
- 4x = 120
- x = 30 pesos