elizabethivy75
02.07.2019 •
Mathematics
Suppose two trains leave a station at the same? time, traveling in opposite directions. train b travels 20 mph faster than train a. in 3.5 ? hours, the trains are 378 miles apart. find the speed of each train
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Ответ:
assume the speed of Train A=x
For that of Train B=x+20
thus 3.5*(x+x+20)=378
then x=44
x+20=64
So the speed of train A and B are 44 and 64 mph, respectively.
Ответ:
this is your answer for your scatter plot??