A litre bottle of KERPOW washing up liquid costs £1.95.

11. How much would a five litre bottle of KERPOW cost? £9.75 (this is correct)
12. If i use 10ml to wash my pots each time, how many pot washes can i do frim a five litre bottle before i need a new one? ___ ( help with this pls)

HELP WITH NUMBER 12 I HAVE 7 MIN GIVING LOTS OF POINTS THANKSS YALL!