Jason designs a rectangular sandbox. He models the perimeter of the sandbox using the expression 81 +2, where l is the length of the sandbox. Which statement includes an equivalent expression to 81+2 with a correct description?
O The expression 21+ 2(31 + 1) shows the width is 1 more than 3 times the length.
The expression 101 shows the perimeter is 10 times the length.
O The expression 21+ (61 + 2) shows the width is 2 more than 6 times the length.
O The expression 2(41 + 1) shows the perimeter is 1 more than 4 times the length