Imran travels a total distance of 180 km. He travels the first 100 km of his journey with an average speed of x km/hr. He travels the rest of his journey at an average speed of 5 km/hr less than the previous speed.
a) Form an expression in terms of x for the time taken for the first 100km of his journey.
b) If the total time taken for the journey is 2 hours and 30 minutes, form an expression and equation and show that it reduces to x² - 77x + 200.
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which class question is it
AtomicBlastoid:
10th grade
Sorry i cant as i am only in class 8
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