Answer:
The answer to your question is the first option.
Step-by-step explanation:
Answer:
24 miles
Step-by-step explanation:
Set up a proportion:
3 inches/1.25 miles = x inches/10 miles
Then cross multiply
30=1.25x
Divide 1.25 on both sides
x=24
He would place 60 balloons in each room. First you subtract 13 from 313 and get 300. Then you divide 300 by 5 which brings you to the answer of 60 balloons per room.