1) Tony weighs 4kg heavier than john. If their total weight is 102kg, find the weight for each of them. Ans: let Tony weight x kg and John weight y kg follow the question , Tony ...
設 tony 仔今年x歲, x + 3 = 3(x-3) x + 3 = 3x - 9 12 = 2x x = 6 所以, tony 仔今年6歲
1.Ivan and Tony have $x and $(x+50) respectively.it is known that half of amount with tony ... than $60. a)find the range of the amount with ivan. half of amount with tony is at least $10 more than the amount with ivan (x+50)/2>=10 +x 15>=x...
Ivan and Tony have $x and $(x+50) respectively. It is known that half of amount... of the amount with Ivan. b)find the rang of the amount with Tony . a) (x + 50)/2 ≥ x + 10 and x + (x + 50) > 60 x + 50 ≥ 2x + 20 and x + x + 50...
...o/77663160.png 2014-08-17 00:14:04 補充: 謝謝大家踴躍參與本題之討論。 回 Tony ,發問者沒有修過 Additional Mathematics, Pure ...
...6 Peter 1000 1600 2200 2800 3400 4000 Tony 600 700 800 900 1000 1100 The difference...