Question 1197583


13. 

let the  width be {{{x  }}}
then the length is  {{{(x + 7) }}}
The area of the rectangle is:{{{x(x + 7) }}}
given that the area is {{{494}}}

then we have  {{{x(x + 7)=494 }}}

answer:  C. {{{x(x + 7)=494 }}}

14. 

the  width be {{{x  }}}
the length is  {{{5x-335 }}}
given that the area is {{{9790}}}

=>  {{{x(5x-335) =9790}}}


answer:  F. {{{x(5x-335) =9790}}}