Evan is painting his model train. the train has 5 cubes joined together. the cost to paint the train is 1cm2=$0.75. how much does it cost to paint the train?
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Step-by-step explanation:
- two trains of lengths 300m and 400m
- moving in opposite directions started
- each other. at exactly the same moment a
- person standing inside the first train, at its
- end, started walking towards its engine at
- 5km/hr. if
- the speeds of the first and the second train
- are 50km/hr and 35km/hr respectively,
- then how much time after the trains started
- crossing each other did the second Evan
- is painting his model train. the train has 5
- cubes joined together. the cost to paint the
- train is 1cm2=$0.75. how much does it cost
- to paint the train? cross the man walking
- the first train?
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