Question 262714
let the width be x inches

so the length will be 5+2x

now given, perimeter=52 inches

perimeter of a rectangle = twice sum of length and width

so 2(5+2x+x)=52

=> 5+3x=26
=> 3x=21
=> x=7
then 5+2x will be 5+14=19

so the length is 19 inches 
and the width 7 inches