An ostrich run 6 mile in12 minut how far he could come in 40 minutes

The ostrich can run 20 miles in 40 minutes.

Solution:

Given that, An ostrich run 6 mile in 12 minutes

We have to find how far he could come in 40 minutes

Now, according to the given information  

Ostrich runs 6 miles ⇒ 12 minutes

Then, “n” miles ⇒ 40 minutes

Now, by criss cross multiplication we get,

Hence, the ostrich can run 20 miles in 40 minutes

answer: i think it is (1,-2)