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Roy is now 4 years older than Erik and half of that amount [#permalink]
14 Feb 2010, 00:56

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Question Stats:

72% (03:04) correct
28% (01:55) wrong based on 94 sessions

Roy is now 4 years older than Erik and half of that amount older than Iris. If in 2 years, Roy will be twice as old as Erik, then in 2 years what would be Roy’s age multiplied by Iris’s age?

"Don't be afraid of the space between your dreams and reality. If you can dream it, you can make it so." Target=780 http://challengemba.blogspot.com Kudos??

Re: Plzz! explain the answer [#permalink]
14 Feb 2010, 14:03

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AtifS wrote:

Roy is now 4 years older than Erik and half of that amount older than Iris. If in 2 years, Roy will be twice as old as Erik, then in 2 years what would be Roy’s age multiplied by Iris’s age?

(a) 8 (b) 28 (c) 48 (d) 50 (e) 52

Hmm! would you please! explain a bit how did u get 2nd & 3rd equations? as if I take "If in 2 years, Roy will be twice as old as Erik" the n it means that r+2=2e -- 2nd

and I didn't get these words "and half of that amount older than Iris" plzz! explain it.

Any help would be highly appreciated.

Roy is now 4 years older than Erik --> \(R=E+4\) Roy is now ... half of that amount older than Iris --> \(R=I+\frac{4}{2}=I+2\) (half of the amount of 4) In 2 years, Roy will be twice as old as Erik --> \(R+2=2(E+2)\) (in 2 years for both Roy and Eric)

Then in 2 years what would be Roy’s age multiplied by Iris’s age --> \((R+2)(I+2)=?\)

Solving: \(R=6\) and \(I=4\) --> \((R+2)(I+2)=48\)

Re: Plzz! explain the answer [#permalink]
14 Feb 2010, 10:40

Hmm! would you please! explain a bit how did u get 2nd & 3rd equations? as if I take "If in 2 years, Roy will be twice as old as Erik" the n it means that r+2=2e -- 2nd

and I didn't get these words "and half of that amount older than Iris" plzz! explain it.

Any help would be highly appreciated. _________________

"Don't be afraid of the space between your dreams and reality. If you can dream it, you can make it so." Target=780 http://challengemba.blogspot.com Kudos??

Re: Plzz! explain the answer [#permalink]
15 Feb 2010, 06:20

Bunuel wrote:

AtifS wrote:

Hmm! would you please! explain a bit how did u get 2nd & 3rd equations? as if I take "If in 2 years, Roy will be twice as old as Erik" the n it means that r+2=2e -- 2nd

and I didn't get these words "and half of that amount older than Iris" plzz! explain it.

Any help would be highly appreciated.

Roy is now 4 years older than Erik --> \(R=E+4\) Roy is now ... half of that amount older than Iris --> \(R=I+\frac{4}{2}=I+2\) (half of the amount of 4) In 2 years, Roy will be twice as old as Erik --> \(R+2=2(E+2)\) (in 2 years for both Roy and Eric)

Then in 2 years what would be Roy’s age multiplied by Iris’s age --> \((R+2)(I+2)=?\)

Solving: \(R=6\) and \(I=4\) --> \((R+2)(I+2)=48\)

Thanks for explanation, Actually i couldn't get the equation with I otherwise I had solved other equations instead of this one

\(R=I+\frac{4}{2}=I+2\) (half of the amount of 4)

looks like have to work on Word Problems. thanks again and Kudos couldn't get this part (half of the amount of 4) _________________

"Don't be afraid of the space between your dreams and reality. If you can dream it, you can make it so." Target=780 http://challengemba.blogspot.com Kudos??

Re: Roy is now 4 years older than Erik and half of that amount [#permalink]
10 Aug 2014, 18:26

Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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