Question 399797


area {{{A =70ft^2}}} 

the width {{{b=4ft}}}  


find the length {{{a}}}



{{{A = a*b}}} 


{{{70ft^2 = a*4ft}}} 


{{{a =70ft^cross(2)/4cross(ft)}}}

{{{a =70ft/4}}}

{{{a = 17.5ft}}}