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Math : GMAT Problem Solving (PS)

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Old November 23rd, 2009, 09:23 PM
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math problem-algebra

the ratio between the two numbers is 11:13. If the smaller number is 286, then find the number__________?
Please help with this problem
Thanks,
Shanti
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Old November 23rd, 2009, 10:18 PM
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Where are the answe choices ??

smaller number is 286 .. so

286/x = 11/13

=> x = 13*286/11 = 13 * 26

Look at answer choices now and see which one has 8 in the units digit.
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Old November 24th, 2009, 01:31 PM
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thanks

Hi
Thanks for your prompt reply.
The ans is 338 , sorry for not psoting the answer before.
what are the steps like
is 286:x=11:13 this step correct?
Regards,
Shanti
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Old November 24th, 2009, 04:42 PM
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yes 286:x=11:13 is correct. I wrote the same thing but in division mode.
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