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by sarthak89 » Tue Jul 03, 2012 4:45 am
Let Leo's current weight be x and the brother's weight be y
Currently acc to the question,
x+y = 340
If Leo gains 10 pounds,
X+10 = y+50%(y)
X+10=y+y/2
X=3y/2 - 10
Substituting the value of x in the original eqn we get,
y = 140, which gives
X= 200
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by Ganesh hatwar » Sat Jul 28, 2012 3:20 am
DanaJ wrote:Source: Veritas Prep

If Leo gains 10 pounds, he will weigh 50% more than his brother. Currently, their combined weight is 340 pounds. What is Leo's current weight?

A) 140
B) 160
C) 170
D) 190
E) 200
i usually pick the numbers from options from D or E

L + B = 340

choose option E

200+140 = 340
+10 gain

210-140 = 70

50 of 140 = 50 / 100 * 140 = 70

E
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by surmilsehgal » Tue Aug 07, 2012 9:19 am
answer is E
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by mba404 » Sun Sep 02, 2012 11:10 pm
IMO E
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by psb22 » Tue Oct 23, 2012 1:02 am
Hi, what level is this problem?

Thanks!
Peter
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by David@VeritasPrep » Tue Oct 23, 2012 5:51 am
I would say below the 50th percentile. It is a word problem, but it seems like a pair of fairly straight-forward equations that resolve pretty nicely. Just about everyone here has gotten the correct answer.

Now do keep in mind that being at a lower level makes this exactly the kind of problem you have to get right. You may only see a few questions that are this straightforward but it is important to get them right.
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by Brent@GMATPrepNow » Tue Oct 23, 2012 6:33 am
DanaJ wrote:Source: Veritas Prep

If Leo gains 10 pounds, he will weigh 50% more than his brother. Currently, their combined weight is 340 pounds. What is Leo's current weight?

A) 140
B) 160
C) 170
D) 190
E) 200
We can also solve the question using only 1 variable.

Let L = Leo's current weight.
Let 340-L = Brother's weight.

Aside: If Leo's weight is L, and their combined weight is 340, then the brother's weight must be 340-L

If Leo gains 10 pounds, he will weigh 50% more than his brother.
In other words, Leo's new weight will equal his brother's current weight plus 50% (0.5 times) more.
In other words, Leo's new weight will be 1.5 times his brother's current weight

So, we can write: L+10 = 1.5(340-L)
Solve: L+10 = 510 - 1.5L
2.5L+10 = 510
2.5L = 500
L=200 = E

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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by abuc0112 » Tue Nov 06, 2012 5:23 am
L= LEO AND B= BROTHER

L+B= 340

L+10=0.5B+B

L= 1.5B -10

1.5B -10 +B= 340

2.5B = 350

B = 140

L = 340-140

L = 200

OA = E
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by rajeshsinghgmat » Tue Feb 12, 2013 12:29 am
E in answEr.
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by Lifetron » Tue Feb 12, 2013 3:42 am
2 equations

L + 10 = 1.5 B
L + B = 340

Solving, L = 200 & B = 140

Hence, E !
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by ritzzzr » Thu Feb 14, 2013 4:35 am
after 10 pound gain there total weight is 350

if his brother is "x" kg then leo is 1.5*x

1.5x + x = 350
2.5 x = 350
x = 140

So current weight of LEO = 340 - 140 = 200 (340 - 140 since weight of his brother remains the same)

SO correct ans "E"
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by Java_85 » Fri Sep 06, 2013 9:43 am
2 equations, 2 variables == > E
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by prernamalhotra » Wed May 07, 2014 1:44 am
Answer : E
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by prernamalhotra » Wed May 07, 2014 1:46 am
Answer : E
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by prernamalhotra » Wed May 07, 2014 1:47 am
Answer : E
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