Respuesta :

kosukeruki

Answer:

8 pen : 26

15 pen : 60

Step-by-step explanation:

5 pen = 20

Times both sides by 2

10 pen = 40

add 5 pen = 20

15 pen = 60

Divide 10 by 5

2 pen = 4

1 pen = 2

Add them together

3 pen = 6

Add 5 pens and 20

8 pen = 26

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