Their backpacking budget is two hundred yuan a day.
Tips
usage
Refers to the activity; 背包客 (bēibāokè) refers to the person. Note the tone on 背 shifts: bèi (noun sense, 'back') in 背包游 but bēi (verb, 'to carry on back') is the reading CC-CEDICT gives for 背包客 — both are attested as a compound-initial reading.