標題:
數學方程 ENG S.1
發問:
要解題N列式in a certain football league,a team will 3 points for a win, 1 point for a draw, and no points for a loss. it is known that the number of wins of a team is 7 times that of losses,and the number of draws is 5 times that of losses. if the team so far obtains a total of 52 points, find the number of wins,draws... 顯示更多 要解題N列式 in a certain football league,a team will 3 points for a win, 1 point for a draw, and no points for a loss. it is known that the number of wins of a team is 7 times that of losses,and the number of draws is 5 times that of losses. if the team so far obtains a total of 52 points, find the number of wins,draws and losses. 更新: 急用牙`~~~
最佳解答:
此文章來自奇摩知識+如有不便請留言告知
Let n be the number of win of the team, number of losses = n/7, number of draw = 5n/7 3n + 5n/7 + 0(n/7) = 52 21n/7 + 5n/7 = 52 26n/7 = 52 n/7 = 2 n = 14 Hence, number of win = 14, number of losses = 14/7 = 2 number of draw = 5(14)/7 = 10
其他解答:
留言列表
