HELP PLS :'(

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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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A train covered a certain distance at a uniform speed.if the train would have been 10km/h faster , it would have taken 2 hours less than the schedules time.and if the train were slower by 10km/h ; it would have taken 3 hours more than scheduled time.find the distance covered by the train
@Preetha and @pooja195 PLS HELP

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Hi! Don't cry, let's try to solve this together c:
yep :)
Train is travelling with uniform speed, so first thing you need to know is that when anything is travelling through constant speed then distance traversed is given by speed*time.
So, we can say that time taken is given by distance/speed. Got it?
ok
then??
Let the speed of train be s and distance be d. Then time taken will be d/s ........ 1 Now, if train would have been 10 km/hr faster then its speed would be (s+10) and time taken would be (T-2). So we can write that d/(x+10) = T-2 .......2
oh ya
then
Again, if the train would have been 10km/h slower then its speed would have been (s-10) and time taken would have been (T+3) So, we can write that d/(s-10)=T+3
hmm
Now, you have 3 variables d, s and T and 3 equations. Can you solve the equations to find the value of variables?
i dont knw to solve three i only knw to solve 2
Ok, I'll help you. From equation 1 we know d=st. Now put this value of d in other two equations and solve the 2 equations. Can you do that?
\(\bf Hint\) Value of S will be 50 km/h
ok let me try
am not getting it
We will get following two equations, st = (T-2)(s+10) st = (T+3)(s-10) Simplifying both of them and then adding. |dw:1439948695514:dw|
Thank uh :)
Welcome c:

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