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Mathematics, 04.08.2019 10:00 jwbri

Two trains, train a and train b, weigh a total of 312 tons. train a is heavier than train b. the difference of their weights is 170. what is the weight of train a?

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Two trains, train a and train b, weigh a total of 312 tons. train a is heavier than train b. the dif...
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