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26%
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If Brianna triples her money at blackjack and then leaves a ten-dollar tip for the dealer, she will leave the casino with the same amount of money as if she had won 190 dollars at roulette. How much money did Brianna take into the casino?
A. 90
B. 100
C. 190
D. 200
E. 210
_________________
A. 90
B. 100
C. 190
D. 200
E. 210
_________________
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3x-10=x+190
2x=200
x=100
2x=200
x=100
Bunuel
CareerGeek
Joined: 20 Jul 2017
Last visit: 06 Sep 2026
Posts: 1,285
Location: India
Concentration: Entrepreneurship, Marketing
GMAT 1: 690 Q51 V30
WE:Education (Education)
GMAT 1: 690 Q51 V30
Posts: 1,285
Bunuel
Let Initial money = x $
Her money after getting tripled and leaving a 10$ tip = 3x - 10.
—> 3x - 10 = x + 190.
—> 2x = 200
—> x = 100 $
IMO Option B
Posted from my mobile device
GMAT 1: 760 Q51 V42
Posts: 10,057
Let us assume Brianna took 100 dollars into the casino.
=> Triples her money at blackjack: 3 * 100 = 300
=> Leaves a ten-dollar tip: 300 - 10 = 290
=> 290 = 100 + 190 (roulette)
=> So, she took $100 with her at the casino.
Answer B
=> Triples her money at blackjack: 3 * 100 = 300
=> Leaves a ten-dollar tip: 300 - 10 = 290
=> 290 = 100 + 190 (roulette)
=> So, she took $100 with her at the casino.
Answer B
prateekchugh
Joined: 05 Aug 2017
Last visit: 27 Sep 2021
Posts: 357
Location: India
Concentration: Strategy, Marketing
WE:Engineering (Energy)
Posts: 357
If Brianna triples her money at blackjack and then leaves a ten-dollar tip for the dealer, she will leave the casino with the same amount of money as if she had won 190 dollars at roulette. How much money did Brianna take into the casino?
Let the initial money before entering the casino = x
Brianna triples her money = 3x
then leaves a ten-dollar tip for the dealer= 3x-10
if she had won 190 dollars at roulette= x+190
she will leave the casino with the same amount of money as----> 3x-10=x+190---->2x=200--->x=100
A. 90
B. 100
C. 190
D. 200
E. 210
Let the initial money before entering the casino = x
Brianna triples her money = 3x
then leaves a ten-dollar tip for the dealer= 3x-10
if she had won 190 dollars at roulette= x+190
she will leave the casino with the same amount of money as----> 3x-10=x+190---->2x=200--->x=100
A. 90
B. 100
C. 190
D. 200
E. 210
let the initial money be x.
She triples her money to 3x in blackjack - 10$ tip.
Now, she leaves with same amount of money as if she had won 190 dollars at roulette, ie, initial money + 190 , x+190.
Equate both, 3x - 10 = x + 190 , x = 100.
Option B
She triples her money to 3x in blackjack - 10$ tip.
Now, she leaves with same amount of money as if she had won 190 dollars at roulette, ie, initial money + 190 , x+190.
Equate both, 3x - 10 = x + 190 , x = 100.
Option B
Posts: 108
Bunuel
3x - 10 = x + 190
2x = 200
x = 100
B is correct.
Wouldn’t she have to use some money to play the roulette? 
Does the roulette player get their participation fee back?
Does the roulette player get their participation fee back?
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