8 is. Two automobiles start out at the same time from cities 595 km apart. If the speed of one is of the speed 9 of the other and if they meet in 7 hours, what is the speed of each ?
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hope this will help you
Explanation:
let the speed of one automobile (A) = x km/h
speed of other automobile (B) = 8x/9 km/h
total time =7 hours
total distance travelled =595km
distance travelled by A =7x km (velocity×time)
distance travelled by B =7x(8x/9)km=56x/9
total distance =7x + 56x/9=595
63x+56x/9=595
119x/9=595
119x=9' 595
x=9×595/119=45km/h (speed of A)
8x/9= 8×45/9=40km/h ( speed of B)
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