Answer:
k ≥ -18
Step-by-step explanation:

x=2.5
5x = 5(2.5) = 12.5
I believe 12.5 is the answer
Answer:
70
Step-by-step explanation:
Let x be the total weekly sales.
His salary is $300/week + 1.8% (x), if he wants to earn $570, then:
300 + 1.8%(x) = 570
1.8%(x) = 270
0.018 (x) = 270
and x = 270/0.018 = $15,000