In the given problem, apply your knowledge in algebraic expression and basic mathematics especially in solving word problem involving mathematical equation and operation.
A car is located 40 km north of antipolo
It travelled 35 km north
Then 45 km south
How far from antipolo was car at the end of its travel?
Add the total distance travel, considering it's position.
Going north is positive, and going south is negative.
40 km north = +40 km
35 km north = +35 km
45 km south = -45 km
Add the three distance
(40) + (35) + (-45) = 30
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