Solve the problem.
-A salesperson gets a commission of $\$ 1600$ for the first $\$ 10,000$ of sales, and then $\$ 800$ for each additional $\$ 10,000$ or fraction of $\$ 10,000$ of sales. Let $S(x)$ represent the commission on $x$ dollars of sales. Find the value of $S(\$ 65,000)$.
A) $\$ 5200$
B) $\$ 6400$
C) $\$ 6800$
D) $\$ 6000$

Question

Quizplus · Accepted Answer

The salesperson earns $1600 for the first $10,000 and $800 for each additional $10,000. For $65,000, the first $10,000 earns $1600, and the remaining $55,000 (which is 5.5 additional $10,000s) earns $800 for each $10,000 or fraction thereof. Thus, $1600 + (6 * $800) = $6400.

Solve the Problem $1600\$ 1600$1600 For the First $10,000\$ 10,000$10,000 Of Sales, and Then

Solve the Problem $\$ 1600$ For the First $\$ 10,000$ Of Sales, and Then