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A lady has a certain number of dollar bills in her purse. She has no other money. She spends half the money on a hat and gives \$1 to a begger outside the store.She spends half the remaining dollars for lunch and tips the waiter \$2. She then spends haif the remaining dollars for a book, and just before she goes home she spends \$3 dollars on a hot fudge sundae. She now has \$1 left. How many dollars did she began with?

\$42

• Ali -

Thanks Ali.What did you do?

Let the original amount be \$x

Amount left after first episode
= x/2 - 1

amount left after lunch
= (x/2-1)/2 - 2

= [(x/2-1)/2 - 2]/2

= [(x/2-1)/2 - 2]/2 - 3

then[(x/2-1)/2 - 2]/2 - 3 = 1
[(x/2-1)/2 - 2]/2 = 4
[(x/2-1)/2 - 2] = 8
(x/2-1)/2 = 10
x/2 - 1 = 20
x/2 = 21
x = 42

\$6.00

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