The distance between a and B is 378 km. A car runs 162 km in 3 hours. How many hours does it take to go from a to B at this speed? It's very urgent

The distance between a and B is 378 km. A car runs 162 km in 3 hours. How many hours does it take to go from a to B at this speed? It's very urgent


(378-162)÷(162÷3)
=216÷54
=4 (hours)
A: it's still four hours' walk
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The distance between a and B is 162 kilometers. There is a truck in a with a speed of 48 kilometers per hour, and a bus in B with a speed of 60 kilometers per hour


Let's meet in X hours
270-162=(60+48)x
108=108x
X = 1 hour