SOLUTION: A train travel 700 m in 35 Sec. What is its Speed in Km Per Hour?

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Question 656697: A train travel 700 m in 35 Sec. What is its Speed in Km Per Hour?
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!

Speed =  =

AMP Parsing Error of [(700m)/(35sec)]: Invalid function ')': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.


Since 1000m = 1km,   = 1, we can multiply by that
without changing the value.

[We put "m" on the bottom to cancel the "m" on the top]:

AMP Parsing Error of [(700m)/(35sec)]: Invalid function ')': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
×

Since 60sec = 1min,  AMP Parsing Error of [60sec/(1min)]: Invalid function '/(1\min)': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
 = 1, we can multiply by that
without changing the value.

[We put "sec" on the top to cancel the "sec" on the bottom]:

AMP Parsing Error of [(700m)/(35sec)]: Invalid function ')': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
××AMP Parsing Error of [60sec/(1min)]: Invalid function '/(1\min)': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.


Since 60min = 1hr,   = 1, we can multiply by that
without changing the value.

[We put "min" on the top to cancel the "min" on the bottom]:

AMP Parsing Error of [(700m)/(35sec)]: Invalid function ')': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
××AMP Parsing Error of [60sec/(1min)]: Invalid function '/(1\min)': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
×

Now we cancel the m's:

AMP Parsing Error of [(700cross(m))/(35sec)]: Invalid function ')': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
××AMP Parsing Error of [60sec/(1min)]: Invalid function '/(1\min)': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
×

Now we cancel the sec's:

AMP Parsing Error of [(700cross(m))/(35cross(sec))]: Invalid function '))': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
××AMP Parsing Error of [60cross(sec)/(1min)]: Invalid function ')/(1\min)': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
×

Now we cancel the min's:

AMP Parsing Error of [(700cross(m))/(35cross(sec))]: Invalid function '))': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
××AMP Parsing Error of [60cross(sec)/(1cross(min))]: Invalid function ')/(1\cross(min))': opening bracket expected at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 70.
.
×

and all we have left is

×××





72

Edwin
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