[問題]GWD23-Q-17......

[k06922001]

To be eligible for retirement benefits at the Omega Corporation, the sum of an employee’s age, in years, and the number of years of employment must be at least 70. If x, where x < 70, is a certain employee’s age when hired and y is the minimum number of years of employment required for the employee to be eligible for retirement benefits, which of the following equations represents the relationship between x and y ?

A. xy = 70
B. x + y = 70
C. 2x + y = 70
D. x + 2y = 70
E. 2x + 2y = 70

Ans;E
...........請問怎麼推??想好久....求助一下~~!!!拜託

[Penny Lee]

我的答案是C,你有沒給錯答案??

人的歲數會隨著被雇用的時間跟著成長,所以應該是x+(x+y)=70

[Arlene]

答案應該是(D)吧！

當他被雇用的那年，他是x歲
工作了y年之後可以退休
所以y年後, 他的年紀應該是x+y歲
故 (x+y)+y=70