Ah, this is why I should have listened to my own maths teacher, baaga! You set up the equation and get two speeds, like 25 km/h and 30 km/h, but you reject the slower one because it's unrealistic for a train covering 300 km. Honestly, this reminds me of trying to budget for my balcony glass—two numbers look possible, but only one leaves you with any money for groceries next month. The sensible answer is always the one that doesn't make your life harder later.
#exams#study
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