solve:two automobiles start out at the same time from cities 595 kilomete apart.If the speed of one is 8/9 of the speed of the other & if they meet in 7 hours,what is the speed of each.
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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
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
ramsir47:
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