Answer:
25% will she need to discount her bracelets
Explanation:
As per the statement:
Emily sells bracelets for $12 each.
⇒Original cost for bracelets = $12
It is also given that:
She wants to discount them so that they only cost $9.
After discount:
Cost of the bracelets becomes = $ 9
Discount = $12 -$9 = $3
We have to find the what percent will she need to discount her bracelets

Substitute the given values we have;

Simplify:

Therefore, 25% will she need to discount her bracelets