Given:
Scott can run 20 km in 85 minutes.
To find:
How long will it take Scott to run 52 km?
Solution:
Let x be the number of minutes it will take him to run 52 km.
We know that,

Using this formula, we get
...(i)
...(ii)
Equating (i) and (ii), we get



Divide both sides by 20.


Therefore, it will take 221 minutes to run 52 km.
45:10 I think ? .. that’s how my teacher did it
Its upsidedown, witch one do you need help with?
Answer:
7x+4
Step-by-step explanation:
Distribute:
=(3)(4x)+(3)(−2)+−5x+10
=12x+−6+−5x+10
Combine Like Terms:
=12x+−6+−5x+10
=(12x+−5x)+(−6+10)
=7x+4
1215 dollars is the right answer. Plz give brainliest!