Question

2 automobiles start out at the same time from cities 595 km apart is speed of one is 8/9 average speed of the other and if they meet in 7 hours what is speed of each​

Answer 1

Solution:

let assume the speed of an automobile is A = x km/h

speed of other speed is B = 8 * x /9 km/h

total time meet is 7 hours

total distance covered is 595 km

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distance traveled by A = 7 * x km  (velocity×time)

distance traveled by B = 7 * ( 8 * x / 9 ) km = 56 * x / 9

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Total distance = 7x + 56x/9 = 595 km

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63x + 56x / 9 = 595 km

x = 45 km/h (speed of A)

x = 40 km/h (speed of B)

Answer 2

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