Answer:Let x be the price the trader paid for the toaster.
If he sold it for $10,000 and lost 15% of the original price, then he received 85% of the original price:
0.85x = $10,000
If we divide both sides by 0.85, we get:
x = $11,764.71
Therefore, the trader paid $11,764.71 for the toaster.
Explanation: