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A bus covers 90 km. At 15 km/h more, it would need one… | StemPy Lab

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A bus covers 90 km. At 15 km/h more, it would need one hour less. What is its usual speed?

MathematicsHardHigh School (9–10)GeneralAlgebra › Quadratic Equations Board Exam

Created by StemPy Lab

A bus covers $90\ \text{km}$ . At $15\ \text{km/h}$ more, it would need one hour less. What is its usual speed?

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