Answer:
x=10
Step-by-step explanation:

Answer:
50 - 1.65x ≥ 15
Step-by-step explanation:
I hope this helps and you solve! :)
Answer:
The variance of the measure of productivity = 141.67(to 2 d.p)
Step-by-step explanation:
The complete question and the step-by step explanation are contained in the files attached to this solution.
<span>2r ≤ 3(2r - 7)
</span><span>2r ≤ 6r - 21
</span><span>21 ≤ 6r - 2r
</span><span>21 ≤ 4r
</span><span>21/4 ≤ r
r</span>

21/4
r

5.25