Respuesta :

Answer:

0.5, 5, 7.5

Step-by-step explanation:

it gives us the ratio 9:18

for every minute he writes half a page.

so 1/2 of 1 is 0.5

1/2 of 10 is 5

1/2 of 15 is 7.5

Answer:

1 - .5 or 1/2

10 - 5

15 - 7.5 or 7 1/2