Mr. Lim and Mr. Tay had $31 090 at first.Mr. Lim donated $2390 of his money and Mr. Tay spent half of his money on a holiday trip. As a result, Mr. Lim had 3 times as much money as Mr. Tay. How much money did Mr. Lim have at first?
![]()
[tex]l + t = 31.090 \\ t = 31.090 - l \\ \\ l - 2390 = 3 \times \frac{1}{2} t \\ l - 2390 = 1,5t \\ l - 2390 = 1,5(31.090 - l) \\ l - 2390 = 46.635 - 1,5t \\ l + 1,5l = 46.635 + 2390 \\ 2,5l = 49.025 \\ l = \frac{49.025}{2,5} \\ lim = 19.610 \\ [/tex]
[answer.2.content]
