Answer:
1.5
Step-by-step explanation:
The mean is 2.5
1-2.5=1.5
5-2.5=2.5 This is the absolute distance from the mean
3-2.5=0.5
1-2.5=1.5
1.5+2.5+0.5+1.5=6
6/4=1.5
Hope this helps!
If you need more help there are websites such as that have algebra calculators if you need more help!

78×4000=312000
100×x=100x
312000÷100=3120
3120+4000=7120<----2nd month
7120×0.5=3560<----3rd month
4000<----1st month
4000+3560+7120=14680<----Your answer, this is the total of the three months.
The dependent variable depends on the independent do depending on how many bags you buy, the price changes so for 5 bags the price is $15 and for 10 bags the price is $30
Answer:
x = 5/4
Step-by-step explanation:
(x)4/5=1
Simplify both sides of equation
4/5x=1
Multiply both sides by 5/4
5/4*4/5x = 1*5/4
x=5/4
A is 11 and b is 16. for b you would plug in what you got for a for x