72ft
you do 8 times 2 is 16
34-16 is 18 then divide by 2 is 9
9 times 8 is 72
~JZ
12:15 does not belong, since that is a ratio of 4:5, whilst the others are all 3:4.
Answer:
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Step-by-step explanation:
Since the number of days in July and in August is the same, there is no need to work out on the total number per month.
The mean number of people per day in August = 160 + 20 = 180
Answer: 180