Answer:
The answer would be D, 75.
Step-by-step explanation:
Answer:
110 : 19
students : teachers
please mark as brainliest thank you
Answer:-23
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180° , then
y + 10 + 2y + 50 = 180 , that is
3y + 60 = 180 ( subtract 60 from both sides )
3y = 120 ( divide both sides by 3 )
y = 40 → B