One day at KIPS SCHOOL 2/15 of the students were absent and 3/5 of those present went on a field trip. If the number of students staying at school was 520. How many students are enrolled at KIPS SCHOOL?

1. A Option A: 1500
2. B Option B: 1300
3. C Option C: 1250
4. D Option D: 1040

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