If i have 2 of the romantix cards and both have credit am i able to combine them or do i need to use them individually

Indoor swimming pool

1419 Colton St, Los Angeles, CA 90026, USA

Recreation center

3900 Chevy Chase Dr, Los Angeles, CA 90039, USA

Bicycle Shop

5505 N Figueroa St, Los Angeles, CA 90042, USA

Gym

3235 San Fernando Road Bldg 4, Los Angeles, CA 90065, USA

Gym

3400 Cahuenga Blvd W, Los Angeles, CA 90068, USA

Mexican grocery store

2323 W Olympic Blvd, Los Angeles, CA 90006, USA

Training centre

5870 W Olympic Blvd, Los Angeles, CA 90036, USA

Boxing gym

1551 N La Brea Ave, Los Angeles, CA 90028, USA