Question-17961

Question Number 17961 by ketto last updated on 13/Jul/17

Answered by alex041103 last updated on 13/Jul/17

L e t t h e t o t a l a m o u n t o f m o n e y b e M .

A n d t h e m o n e y L i g h t n e s s g o t - x

T h e n

M = \frac{5}{11} M + (1 - \frac{5}{11}) \frac{7}{12} M + x

\Rightarrow M = \frac{5}{11} M + \frac{7}{22} M + x

x = M (1 - \frac{5}{11} - \frac{7}{22})

x = \frac{5}{22} M

A n s . \frac{5}{22}