Answer:the length of the Lunch area= 68 feet
Explanation:
Since width of lunch area is given = 10 6/13 feet
and Length of the lunch area is 6 1/2 times it's width.= 6 1/2 x Width
Length = 6 1/2 x 10 6/13
changing to improper fraction foe easy solving
13/2 x 136/13
13 cancels out 13, we are left with
136/2 =68 feet