Midsegment of triangle
find x

x = 25.5

Step-by-step explanation:

The mid- segment line is parallel to and half the measure of the third side, thus

x - 8 =

Multiply through by 2 to clear the fraction

2x - 16 = 35 ( add 16 to both sides )

2x = 51 ( divide both sides by 2 )

x = 25.5

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.