Sharing and giving money

Algebra Level 3

A man left 1/2 of his money to his wife, 2/5 of what remained to his son, and $40 000 more than 1/2 of what was left from his son's share, to his daughter. The remaining money was shared equally by his 2 nieces. If each niece got$47 500, how much money did the man leave for his family?

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