Let the number be x
The sum of 2 equal numbers is simply x+x or 2x.
The answer is 52 if you are looking for the answer to 2x2x13=? then it is 52. Otherwise idk what you are asking.
She bought 5.5 pounds of cherries
explanation-
88 divided by 16 would be 5.5
1/2bh
1/2b4 = 18
b4= 36
b= 9 yards