Answer:
x= c - b / A
please look at the step by step explanation to better understand :)
Step-by-step explanation:
subtract b from the left side and right side
so you are left with Ax = c - b
divide what number c - b is by A
and you are left with x= c - b / A
1. mean is 17.4
2. interquartile range is 30
3. mean absolute deviation is 3
4. median is 51
$273
$3900= 100%
$39 = 1%
39(1%)*7= $273 (7%)
a
