Answer:
27% chance a tv is defective. 13% chance one at least one doesn't work.
Step-by-step explanation:
100/15
4X6.67=26.67
*NOT 100% JUST TRYING TO HELP*
y=37
the addition of the 3 angles is 180°
then 40 + y +29 +2y = 180
69 + 3y =180
3y = 180 -69
3y= 111
y =111 ÷ 3
y = 37