2[5+2(8-6)]
2[5+2(2)]
2[5+4]
2[9]
18
Answer:
225 adult tickets
Step-by-step explanation:
S: no. of students
A: no. of adults
S = A + 54
S + A = 504
A + A + 54 = 504
2A = 450
A = 225
S = 225 + 54
S = 279
Answer: 1
Step-by-step explanation:
Answer:
4=????????????
Step-by-step explanation:
Answer is A. first choice
Aver. 14 - 17 years old = 75/11 = 6.8
Aver. 10 - 13 years old = 47/11 = 4.27