The following tables show relationships between two quantities: one that varies directly, and one that varies inversely. In each table, the independent variable is in the first column.

Table

1

t	h
4	7500
6	5000
8	3750
10	3000

Table

2

w	M
9	45
36	180
45	225
54	270

(a) Identify the table that displays direct variation and find the direct variation equation matching the data in this table.