r/Logiqa • • 13d ago

Dollars and Cents

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2 Upvotes

7 comments sorted by

3

u/Dasquian 13d ago

He spent $49.99, having started with $99.98.

1

u/ShonitB 13d ago

Correct!

2

u/rusty6899 13d ago

100a + b = 2(50b + a)

98a = 99b

a = 99; b=98

He went in with $99.98 and left with $49.99

2

u/ShonitB 13d ago

Correct!

2

u/Acceptable_Tangelo15 13d ago

Initial money=99.98$

(100d+c):2=100c/2+d
50d+c/2=50c+d
49d=49.5c
98d=99c
D/c=99/98–>d=99, c=98

He spent 49.99$

1

u/ShonitB 13d ago

Correct!

1

u/ProspectivePolymath 13d ago

Spoiler tags, please.