Answer:
340 children, 210 adults.
Step-by-step explanation:

This gives you the answer, look at it tells you how to solve this and get your answer
2x+8 is equivalent to 4x+3-2x+5
Step-by-step explanation:
4x+3-2x+5
4x+2x+3+5
2x+8
Answer:
448
Step-by-step explanation:
4*2*7*8=448 different combinations