Question 1170441
<pre>
feet per second is abbreviated ft/s
miles per hour is abbreviated mi/h
minutes is abbreviated min
Don't confuse mi and min.

{{{matrix(1,7,

matrix(1,2,204,ft)/matrix(1,2,90,s),
"x",
matrix(1,2,1,mi)/matrix(1,2,5280,ft),
"x",
matrix(1,2,60,s)/matrix(1,2,1,min),
"x",
matrix(1,2,60,min)/matrix(1,2,1,h) )}}}

Cancel the units that cancel:

Cancel the feet:

{{{matrix(1,7,

matrix(1,2,204,cross(ft))/matrix(1,2,90,s),
"x",
matrix(1,2,1,mi)/matrix(1,2,5280,cross(ft)),
"x",
matrix(1,2,60,s)/matrix(1,2,1,min),
"x",
matrix(1,2,60,min)/matrix(1,2,1,h) )}}}

Cancel the seconds:

{{{matrix(1,7,

matrix(1,2,204,cross(ft))/matrix(1,2,90,cross(s)),
"x",
matrix(1,2,1,mi)/matrix(1,2,5280,cross(ft)),
"x",
matrix(1,2,60,cross(s))/matrix(1,2,1,min),
"x",
matrix(1,2,60,min)/matrix(1,2,1,h) )}}}

Cancel the minutes:

{{{matrix(1,7,

matrix(1,2,204,cross(ft))/matrix(1,2,90,cross(s)),
"x",
matrix(1,2,1,mi)/matrix(1,2,5280,cross(ft)),
"x",
matrix(1,2,60,cross(s))/matrix(1,2,1,cross(min)),
"x",
matrix(1,2,60,cross(min))/matrix(1,2,1,h) )}}}

Multiply across the top, and across the bottom to make one fraction:

{{{( (204)(matrix(1,2,1,mi))(60)(60))/(90)(5280)(1)(matrix(1,2,1,h))}}}

{{{matrix(1,2,734400,mi)/matrix(1,2,475200,h)}}}

{{{matrix(1,2,734400/475200,mi/h)}}}

To reduce the fraction, divide top and bottom by 43200:

{{{matrix(1,2,17/11,mi/h)}}}

Make that into a mixed fraction:

{{{matrix(1,2,1&6/11,mi/h)}}} 

Or, approximate as a decimal rounded to hundredths

{{{matrix(1,2,1.55,mi/h)}}}

Edwin</pre>