Answer:
Step-by-step explanation:
something
Answer:
right answer
Step-by-step explanation:
B)
The total participants were:
30 + 50 + 40 + 10
= 100
Out of which:
30 were 0-19 years old
50 were 20-39 years old
40 were 40-59 years old
10 were 60-79 years old
Question: 2x - 4 + 5x
Simplified: 7x - 4