math ds

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投稿者:Recluse - 投稿日時:2002年11月28日 08時29分55秒

下の問題は答えはBなのですが、(2)だけでどう式を立てて、youngestのもらえる金額を求められるのでしょうか??教えてください。

A sum of $200000 from a certain estate was divided among a spouse and three children.
How much of the estate did the youngest child receive?

(1)The spouse received 1/2 of the sum from the estate, and the oldestchild received 1/4 of the remanider.

(2)Each of the two younger children received $12500 more than the oldest child and 62500 less than the spouse.

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