75% = 75/100÷ 5= 15/20 ÷5= ¾. does this help? hope it does
hope it helps :)
Answer:
c= -3
Step-by-step explanation:
The answer is -11
You put "-1" in place of all the "a"s and get
-(-1) - 12(-1)^2
-(-1) is just 1, and (-1)^2 is "1"
We are then left with 1-12(1) which is 1-12 which is -11
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
