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10,000 is deposited in a certain account that pays r percent [#permalink]
 06 Oct 2008, 09:53
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$10,000 is deposited in a certain account that pays r percent annual interest compounded
annually, the amount D(t), in dollars, that the deposit will grow to in t years is given by
D(t) = 10,000 {1+(r/100)}t. What amount will the deposit grow to in 3 years?
(1) D(t) = 11,000
(2) r =10
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Re: GMAT SET 18 - 2 [#permalink]
06 Oct 2008, 11:03
nikhilpoddar wrote: $10,000 is deposited in a certain account that pays r percent annual interest compounded
annually, the amount D(t), in dollars, that the deposit will grow to in t years is given by
D(t) = 10,000 {1+(r/100)}t. What amount will the deposit grow to in 3 years?
(1) D(t) = 11,000
(2) r =10 I think the answer is C. We know t = 3 so, D(t) = 10,000*(1 + r%)*3 (1) Given D(t), the equation can be solved. Sufficient (2) Given r, the equation can be solved. Sufficient
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Re: GMAT SET 18 - 2 [#permalink]
07 Oct 2008, 00:19
devilmirror wrote: nikhilpoddar wrote: $10,000 is deposited in a certain account that pays r percent annual interest compounded
annually, the amount D(t), in dollars, that the deposit will grow to in t years is given by
D(t) = 10,000 {1+(r/100)}t. What amount will the deposit grow to in 3 years?
(1) D(t) = 11,000
(2) r =10 I think the answer is C.We know t = 3 so, D(t) = 10,000*(1 + r%)*3 (1) Given D(t), the equation can be solved. Sufficient (2) Given r, the equation can be solved. Sufficient I think, you meant D.
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Re: GMAT SET 18 - 2 [#permalink]
07 Oct 2008, 00:29
Ans should be D. only thng is we need not solve (1). In fact D(t) itself is the answer devilmirror wrote: nikhilpoddar wrote: $10,000 is deposited in a certain account that pays r percent annual interest compounded
annually, the amount D(t), in dollars, that the deposit will grow to in t years is given by
D(t) = 10,000 {1+(r/100)}t. What amount will the deposit grow to in 3 years?
(1) D(t) = 11,000
(2) r =10 I think the answer is C. We know t = 3 so, D(t) = 10,000*(1 + r%)*3 (1) Given D(t), the equation can be solved. Sufficient (2) Given r, the equation can be solved. Sufficient |
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Re: GMAT SET 18 - 2
[#permalink]
07 Oct 2008, 00:29
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