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28 February, 23:03

21 trucks, each with a 2.5-ton payload, are needed to unload a freight train. b Find the constant of variation.

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  1. 1 March, 01:57
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    tons needed to unload a freight train = 21*2.5 = 52.5

    number of 3.5-ton payload trucks needed to unload a freight train=52.5:3.5 = 15

    15 Trucks, Each With A 3.5-Ton Payloaf, Would be Needed To Do The Same Job.
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