Answer:
7.2 km
Step-by-step explanation:
Distance between Brookfield to Seaside = 20.4 km
Distance between Yardley and Seaside = 13.2 km
Let distance between Brookfield to Yardley be x.
Thus:
x + 13.2 km = 20.4 km
Subtract 13.2 from each side
x = 20.4 - 13.2
x = 7.2
Distance from Brookfield to Yardley is 7.2 km
You have to divide both 9 & 6 by their greatest common factor which is 3 so the answer is 3
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2
Answer:
distance is 11.3137 units
Step-by-step explanation:

hopefully it makes sense
:)