a car travel 1/3th distance in time 10 seconds . find out the time taken by car for remaining distance.so that average speed of car become 10m/ sec
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the total distance travelled be x km Then total time taken =
10
x/3
+
20
x/3
+
60
x/3
=
30
x
+
60
x
+
180
x
=
180
6x+3x+x
=
180
10x
=
18
x
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