Respuesta :
Answer:
2.) 4a+2c=5,000
4.) a+c=1,600
Step-by-step explanation:
4 times a(adults) plus 2 times c(children)=5,000
4 is from $4 per adult(a) and 2 is from $2 per children(c).
a+c=1,600
You can add the number of adults and children to find the answer.