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今年小明的父母年龄之和是小明的6倍,四年后小明的父母年龄之和是小明的5倍。已知小明的父亲比他的母亲大2岁,那么今年小明父亲多少岁?()

单选题
2022-03-12 10:30
A、38
B、36
C、37
D、35
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正确答案
C

试题解析
设小明今年x岁,则父母年龄之和6x岁。四年后5(x+4)=6x+8,解得x-12,父母今年年龄和为72。父亲比母亲大2岁,则父亲今年(72+2)+2=37岁,选C。

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今年小明的父母年龄之和是小明的6倍,四年后小明的父母年龄之和是小明的5倍。已知小明的父亲比他的母亲大2岁,那么今年小明父亲多少岁?()
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