The estimated savings rate of Country X decreased by 10 %

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The estimated savings rate of Country X decreased by 10 % [#permalink]

06 Feb 2013, 14:33

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Question Stats:

82% (02:20) correct

17% (00:00) wrong

based on 17 sessions

The estimated savings rate of Country X decreased by 10 percent over the same time period that the estimated savings rate of Country Y increased by 25 percent. The original estimated savings rate of Country X was what percent of the original savings rate of Country Y?

(1) The estimated savings rate of Country X decreased to 1.8%.
(2) The estimate savings rate of Country Y increased to 3.75%.

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Re: The estimated savings rate of Country X decreased by 10 % [#permalink]

06 Feb 2013, 23:40

Let estimated savings rate for Country X = 100X and similarly for country Y = 100Y

Now, over the same time period, the respective savings rate change as :

For Country X = 90X and for Country B = 125Y.

Need to find out the ratio (X/Y)x100.

From fact statement 1, 90X = 1.8; we get a value for X.But no value for Y. Insufficient.

From fact statement 2, 125Y = 3.75; we get a value for Y. But no value for X. Insufficient.

Both together, we get the value of the ratio(X/Y). Sufficient.

C.
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Re: The estimated savings rate of Country X decreased by 10 % [#permalink] 06 Feb 2013, 23:40

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The estimated savings rate of Country X decreased by 10 %

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The estimated savings rate of Country X decreased by 10 %

The estimated savings rate of Country X decreased by 10 %

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