Plz form the equation of given question in the photo... plz
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Let the usual time taken by the aeroplane = x km/hr
Distance to the destination = 1500 km
Case (i) Speed = Distance / Time = (1500 / x) Hrs
Case (iI)Time taken by the aeroplane = (x - 1/2) Hrs
Distance to the destination = 1500 kmSpeed
= Distance / Time = 1500 / (x - 1/2)
Hrs Increased speed = 100 km/hr
⇒ [1500 / (x - 1/2)] - [1500 / x] = 100
Distance to the destination = 1500 km
Case (i) Speed = Distance / Time = (1500 / x) Hrs
Case (iI)Time taken by the aeroplane = (x - 1/2) Hrs
Distance to the destination = 1500 kmSpeed
= Distance / Time = 1500 / (x - 1/2)
Hrs Increased speed = 100 km/hr
⇒ [1500 / (x - 1/2)] - [1500 / x] = 100
rIshavQ:
solve for the answer
keep in mind that time cant be negative so you have to mention the found positive value only.
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