Solve easy question in photo! question 1

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.