Question

Bertie has just had a big win at the lottery.

He spends 4/5 of his money on a large house.
He spends 3/4 of his remaining money on a luxury yacht.

He spends 2/3 of his remaining money on a trip into space.
He gives the remaining $50,000 to charity.
How much money did he win?
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Answer 1

After spending 4/5 on a large house, he has 1/5 remaining.
After spending 3/4 of his 1/5 remaining on a luxury yacht he has 1/20th of his money left
After spending 2/3 of his 1/20 on a trip to space he has 1/60th of his lottery money left.
And since 1/60th of his lottery money is $50,000
That would mean 60/60(his original lottery amount) was 3million. (3,000,000)