Mathematics, 21.02.2021 21:00, bella122805

12. Two trains, Train A and Train B, weigh a total of 312 tons. Train A is heavier than Train B. The difference in their weights is 170 tons. Use elimination to solve the system of equations to find the weight of each train. a + b = 312 a-b= 170 a + b = 312 a - b = 170

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12. Two trains, Train A and Train B, weigh a total of 312 tons. Train A is heavier than Train B. The...