The markdown rate is 66.7%.
<h3>Markdown rate</h3>
Using this formula
Markdown rate= Change in price/original price×100
Let plug in the formula
Markdown rate=$1.50-$0.50/$1.50
Markdown rate=$1.00/$1.50×100
Markdown rate=66.66%
Markdown rate=66.7% (Approximately)
Inconclusion the markdown rate is 66.7%.
Learn more about markdown rate here:brainly.com/question/1153322
To find the number of non-defective chips, we simply use this equation:
2,000 * 4/5
8000/5
Now you simply divide:
1600
1600 chips aren't defective
The answer would be 5.22
Hope this help :D