two automobiles start out at the same time form cities 595 km apart. if the speed of one is 8/9 of the speed of the other and if they meet in 7 hours. what is the speed of each.
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answer of this question is
40km/hr and 45 km/hr
explanation...
simple trick for this question
595
---------- = 85 km/hr
7 hours
speed = 8x and 9x
8x + 9x = 17x
85/17x = x = 5
speed = 8 × 5 = 40 km/hr
and
9 × 5 = 45 km/hr
40km/hr and 45 km/hr
explanation...
simple trick for this question
595
---------- = 85 km/hr
7 hours
speed = 8x and 9x
8x + 9x = 17x
85/17x = x = 5
speed = 8 × 5 = 40 km/hr
and
9 × 5 = 45 km/hr
jyotisoni:
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