How many pints are there in 4 quarts and 1 pint?

1 quart = 2 pints

2 quarts = 4 pints

3 quarts = 6 pints

4 quarts = 8 pints

4 quarts + 1 pint = 8 pints + 1 pint = (8 + 1) pints = 9 pints