Answer: -4
Step-by-step explanation: I am guessing you meant ...99 + 2(8*3)...
3x + 99 + 2(8 x 3) = 135
3x + 99 + 2(24) = 135
3x + 99 +48 = 135
3x + 147 = 135
(3x + 147) - 147 = (135) - 147
3x = -12
(3x) ÷ 3 = (-12) ÷ 3
x = -4
Answer:
the answer to this is 0.15 #4
The percentile associated with the mean must be high than 50%
100$ because the income you have to earn is 400$, right? If so then 100 * 4 give you 400.