Answer:
26%
Explanation:
$22,500-$16,650= $5,850
I started by multiplying buy 0.20 from $22,500 and then Jumped to 0.25% and when I realized i was close I multiplied $22,500 *0.26 and matched the decreasing price of $5,850.
$22,500*0.20 = $4,500 off
$22,500*0.25 = $5,625 off
$22,500*0.26 = $5,850 off