Charlie needs to determine the number of 3/5 pound of servings in 3 3/5 pounds of meat. He calculates there are 16 servings is charlies calculation correct why or why not??

x = 3 ± √(5+y)

if im not mistaking its

step-by-step explanation:  

37 = ending with 7

unit's digit in the cube..3

56 = ending with 6

unit's digit in the cube..2

133 = ending with

unit's digit in the cube..7

hope it : ( : )