I am 99% sure that the correct answer is: 2/15. 2/15 of the bill is paid by Tina. 2/3 Tom (2•5/3•5.=10/15) 1/5 Azuma (1•3/5•3=3/15) 10+3+x=15 x=15-13 x=2
To make everyone’s share 1 or 100%, we have to make Tina’s share into a fraction is denominator of 15, making it to: 2/15