Hey there!
Your question states:
<span>John's monthly paycheck consists of $4000 plus a 9% commission on all of his sales. During one month, John earned $11,650. What were his sales during that month?
</span>
We don't want to 9% to really trick us.
We just do 11,650 - 4,000 = 7,650.
Now, we can adjust everything.
That
9% of the commission on the sales was worth
. . . 7,650
Your correct and clarified answer would be
. . .

Hope this helps.
~Jurgen
Q17:
one week = $560
52 weeks = 560 x 52 = $29120
Q18:
one year = $28500
52 weeks = 28500
1 week = 28500 ÷ 52 = $548
Q19:
5% of $300000 = 0.05 x 300000 = $15000
$15000 + $12000 = $27000
Answer:
the one on the bottom left, with 23 all by its lonesome
Step-by-step explanation: