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  3. The combined ages of Frasier and Niles is 88 years. The combined ages of Niles a

The combined ages of Frasier and Niles is 88 years. The combined ages of Niles a

游客2023-10-20  52
问题 The combined ages of Frasier and Niles is 88 years. The combined ages of Niles and Daphne is 76 years. The combined ages of Frasier and Daphne is 80 years. Figure out each person’s age.
选项 A、Frasier 34, Niles 42, Daphne 46.
B、Frasier 43 , Niles 42, Daphne 46.
C、Frasier 42, Niles 46, Daphne 43.
D、Frasier 46, Niles 42, Daphne 34.
答案 D
解析 分别以他们名字的开头字母F、N、D代表其人，根据题意可得出如下方程式：①F+N=88②N+D=76③F+D=80由①一②可得F—D=12因而可以求出F=46。所以D选项正确。
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