Answer:
175 Kilometers
Step-by-step explanation:
50 × 3.5 = 175
or think of it this way
At 1 hour, the car travels 50 kilometers
At 2, 100
At 3, 150
At 3 and a half, 25
then it travels for 30 mins instead of 1 hour.
30 mins is half of a hour so the car must travel half the distance 25 kilometers