Selling price of 15 toys = ₹3000
Profit = (25%)
Step 1: Find cost price of 15 toys
CP=1253000×100=2400
Cost price of 1 toy
152400=160
Selling price per toy for (10%) profit
160×100110=176
Number of toys sold for ₹2816
1762816=16
So, the vendor should sell:
16
toys.