3 = 2/9, A B ,-50+2/9 = 225*\r1W X 9 ] ä³´µå¯800?~?«ºNº:N¹æ´µçè?~»é100»8 0 ?~?«»\r200¢£6 ?~ q\0\r1234Ã×¢£?~q\>?800+(100-80)=40 *ÉÊ\~q\ê/>?<.¢£800+200\r- 1 = 3 T*\n=~.¢£3 j?OP´80x3 = 240*~ÉÊ\ê/>?<.´800 + 240=1040*\r~?q\1040?> ? 1040+ (100-80) = 5 2 *Ä뢣?~´52 ?S´52x100 = 5200*\r>?¢£5200+200-1 = 25 *ÏP~q\\nÂ52 + 25 = 77 *\r1WX1 0 ]A+B ?L,22.49*s6ì%íî@A p?(B ï@ð%íîíñ-©A N?~+\r«¶@A+B ?ºNp?*(A ^~mnòq(í`?q\í`!ólm(íñ?yíñ!ôó\rlq(í`?q\í`!ólm(íñßß~Â5 Tq\í`NÆ;Là\n,B 5.69&~Â7 Tq\r\í`N?~ÆÇÂ6TyB ?GH¬N,A rs./90\r 0»T?~@ðD 5.6+2 = 2.89?{JõT?K6Tq\?õT?@ðD 2.8x6 = 16.89?Z\rq\6TOP22.4-16.8 = 5.69?ÏPöBD 5.6 ? 2.8 = 2.89*~K<(56x5 + 2.8x4)7\r5.6 = 77 1 , D (7x5.6+28x6) +7 = 8 9?r÷ 22.4-8=14.4 9*