ATAR estimate for my friend please! :) (1 Viewer)

[xyxyxx]

School rank: 59

Standard english: 15/86
Ancient history: 20/35
Maths: 16/85
Extension 1 maths: 18/35
Bio:17/45
Chemistry: 13/47

These ranks aren't 100% accurate just estimates, but any ideas on the ATAR if these were the correct ranks? Thank you!