Question

One-third of a certain journey is covered at
the rate of 25 km/h, one-fourth at the rate of
30 km/h and the rest of 50 km/h. What is the
average speed for the whole journey?
(A) 30 km/h
(B) 33 km/h
(C)33(1/3) km/h (D) 32 km/h​

Answer 1

Step-by-step explanation:

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey is

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hour

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hourB) 3313km/ hour

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hourB) 3313km/ hourC) 30 km/ hour

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hourB) 3313km/ hourC) 30 km/ hourD) 37112km/hour

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hourB) 3313km/ hourC) 30 km/ hourD) 37112km/hourCorrect Answer:

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hourB) 3313km/ hourC) 30 km/ hourD) 37112km/hourCorrect Answer:B) 3313km/ hour

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hourB) 3313km/ hourC) 30 km/ hourD) 37112km/hourCorrect Answer:B) 3313km/ hourDescription for Correct answer:

One third of a certain journey is covered at the rate of 25 km / hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. The average speed for the whole journey isA) 35 km/hourB) 3313km/ hourC) 30 km/ hourD) 37112km/hourCorrect Answer:B) 3313km/ hourDescription for Correct answer:Let the total distance = 1200 km