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friday afternoon maths corner (help please)
can someone explain to me why 71% is the right answer? how the fuck do i work that out?
http://i40.tinypic.com/2pt9fl1.jpg
many thanks.
can someone explain to me why 71% is the right answer? how the fuck do i work that out?
http://i40.tinypic.com/2pt9fl1.jpg
many thanks.