Answer:
All real values of 'x'. i.e., the answer to the question is 'E'
Answer: A?
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
H+S=50
2H+4S=140
4H+4S=200
4H+4S=200-
2H+ 4S =140
2H=60
H=30
50-30=20
X3............................................
