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The two vehicles set out from two places 360 kilometers apart and travel in opposite directions. Car a starts first and travels 60 kilometers per hour. One hour later, car B starts and travels 40 kilometers per hour
Encounter time (360-60) / (40 + 60) = 300 / 100 = 3 hours
Car a and car B start from both places at the same time and run in opposite directions. Car a runs 40 kilometers per hour and car B runs 60 kilometers per hour
How many kilometers are there between the two places?
Just write the formula
The distance between the two places is x km
x÷3=40+60
x÷3=100
x=3×100
x=300
（40+60）×3
=100×3
=300 (km)
A and B start from two places at the same time and travel in opposite directions. Car a travels 40 kilometers per hour, and car B travels 60 kilometers per hour. After three hours, they meet
How many kilometers?
40 * 3 = 120 (km)
Car a runs 120 km
60 * 3 = 180 (km)
Car B runs 180 km
120 + 180 = 300 (km)
We drove 300 kilometers together
The two vehicles run from two places at the same time. Vehicle a runs 60 kilometers per hour, while vehicle B runs 40 kilometers per hour. The two vehicles meet at the midpoint of 30 kilometers,
How long did the two cars go at this time
30x2÷(60-40)
=60÷20
=3
A: the two cars have been running for three hours
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