Mathematics, 06.10.2019 00:30 gunaranjan09
Atrain leaves philadelphia at 1 pm. a second train leaves the same city in the same direction at 3pm. the second train travels 20 mph faster than the first. if the second train overtakes the first at 9 pm, what is the speed of each of the two trains?
Answers: 1
Mathematics, 21.06.2019 19:30
Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?
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Mathematics, 21.06.2019 20:40
Lines a and b are parallel. what is the value of x? -5 -10 -35 -55
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Atrain leaves philadelphia at 1 pm. a second train leaves the same city in the same direction at 3pm...
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