Answer:
B) 13
Step-by-step explanation:
Average age means to calculate mean:
Mean = (Sum of all numbers)/(Number of numbers)
Mean = (14 + 14.5 + 12 + 11.5 + 15 + 13 + 10.5 + 13.5)/8
Mean = (104)/8
Mean = 13
Form the ratio 560/2800 and then mult. the result by 100%:
560
--------- * 100% = 20%
2800
Answer:
Step-by-step explanation:
9.3827156E17 the awnser