a train travels 70 feet in 1/10 second.At this s

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a train travels 70 feet in 1/10 second.At this s
a train travels 70 feet in 1/10 second.
At this same speed,how many feet will it travel in 3 1/2 seconds?

1 , a train travels 70feet in 1/10 second,
so we can draw a conclusion that the speed is 700 feet /second,
2. so 3 1/2 seconds the train can travel 700X 3 1/2 =2450 feet

a train travels 70 feet in 1/10 second.At this s This train travels from London ( ) Paris.(at,to) sound travels at 340 meters per second in air.travels 为什么用at This train travels from London( )Paris. it travels 300000km a second是什么意思 Light travels 300,000 kilometres a second This train travels from London( )Paris.(for,from The train is starting ___A__five minutes.A in B at C for D s My train arrives in shanghai at 10 this morning.the plane i what's this english A,at B,in C,on What's this _English?A:at B:in C:on it travels 300,000 kilometres a second是什么意思