Making and using functions

millilitersCupsOunces
500.211.69
1000.423.38
1500.635.07
2000.856.76
2501.068.45
3001.2710.14
3501.4811.83
4001.6913.53
4501.9015.22
5002.1116.91
5502.3218.60
6002.5420.29
6502.7521.98
7002.9623.67
7503.1725.36
8003.3827.05
8503.5928.74
9003.8030.43
9504.0232.12
10004.2333.81