You use the equation given to solve the problem.
x= 4x9
X=36
The four is for the amount of people. The nine is the cost.
For the questions where you have to find out how much each person paid you would have to divided the amount by the number of people.
So, 36/9= 4.30
Therefore each person paid $4.30.
(Hope this helps you)
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Answer:
Simplified: -4u? + 5u^2 - 5u - 3
Step-by-step explanation:
Answer:
84%
Step-by-step explanation:
What we must do is calculate the z value for each value and thus find what percentage each represents and the subtraction would be the percentage between those two values.
We have that z is equal to:
z = (x - m) / (sd)
x is the value to evaluate, m the mean, sd the standard deviation
So for 190000 we have:
z = (190000 - 200000) / (10000)
z = -1
and this value represents 0.1587
for 230000 we have:
z = (230000 - 200000) / (10000)
z = 3
and this value represents 0.9987
we subtract:
0.9987 - 0.1587 = 0.84
Which means that it represents 84% of the houses