The car is 40km / h from a to B, just to the scheduled time. In fact, after 3 hours, the speed of the car is reduced to 30km / h, one hour later than the scheduled time. The distance between the two places is very small

The car is 40km / h from a to B, just to the scheduled time. In fact, after 3 hours, the speed of the car is reduced to 30km / h, one hour later than the scheduled time. The distance between the two places is very small


It was supposed to arrive in an hour
40a=120+(a-3+1)30
40a-30a=120-60
10a=60
a=6
The distance between them is 40 * 6 = 240km

Elden Ring Premiere

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