Answer:
20
Step-by-step explanation:
3x + x + 100 = 180 (sum of angles on a straight line)
4x = 180-100
4x=80
divide both sides by 4
x=20
Answer:
-0.4 or -10.4
Step-by-step explanation:
The chef can make 42 casseroles no remainder
Answer:
2(3-n)=5
Step-by-step explanation:
