At Marvelous Mark's T-shirts, you can win a free T-shirt if you can solve the pebble puzzle. Next to the jar at the entrance is this information:
There are 825 pebbles in the jar.
There are 375 more brown pebbles than white pebbles.
Guess the number of brown and white pebbles in the jar and win a free T-shirt!
What is the correct answer to the pebble puzzle?