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# If D = (S - W)T and D different from 0, then S =

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Math Expert
Joined: 02 Sep 2009
Posts: 59613
If D = (S - W)T and D different from 0, then S =  [#permalink]

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21 Nov 2019, 00:57
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Difficulty:

5% (low)

Question Stats:

97% (00:40) correct 3% (00:12) wrong based on 29 sessions

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If $$D = (S - W)T$$ and $$D \neq 0$$, then $$S =$$

A. $$W-\frac{T}{D}$$

B. $$\frac{D}{T} + W$$

C. $$DT-W$$

D. $$DT+W$$

E. $$D+WT$$

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Intern
Joined: 02 Nov 2019
Posts: 2
Re: If D = (S - W)T and D different from 0, then S =  [#permalink]

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21 Nov 2019, 02:29
2
An important information is that D ≠ 0
Thus, D= (S-W)*T gives D/T = S-W
D/T + W = S

I would say answer B. However, I'm not sure if it is a trap and I fell in it. It seems too easy.
Manager
Joined: 16 Feb 2015
Posts: 126
Location: United States
Concentration: Finance, Operations
Re: If D = (S - W)T and D different from 0, then S =  [#permalink]

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21 Nov 2019, 10:56
1
iamaxime wrote:
An important information is that D ≠ 0
Thus, D= (S-W)*T gives D/T = S-W
D/T + W = S

I would say answer B. However, I'm not sure if it is a trap and I fell in it. It seems too easy.

iamaxime

It's not a trap; Question is easy.

Just open the brackets, Will get value of S

D=(S-W)*T
D/T = S-W
S = D/T + W -- Option B

Please give kudos, if you find my explanation good enough
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Re: If D = (S - W)T and D different from 0, then S =  [#permalink]

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24 Nov 2019, 19:04
Bunuel wrote:
If $$D = (S - W)T$$ and $$D \neq 0$$, then $$S =$$

A. $$W-\frac{T}{D}$$

B. $$\frac{D}{T} + W$$

C. $$DT-W$$

D. $$DT+W$$

E. $$D+WT$$

D = ST - WT

D + WT = ST

(D + WT)/T = S

D/T + W = S

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Re: If D = (S - W)T and D different from 0, then S =   [#permalink] 24 Nov 2019, 19:04
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