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What is the retail price of a certain calculator?

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What is the retail price of a certain calculator?

by VJesus12 » Sun Apr 14, 2019 9:53 am

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What is the retail price of a certain calculator?

(1) The retail price of the calculator is $2.00 more than the wholesale price.
(2) The retail price of the calculator is 50 percent more than the $4.00 wholesale price.

[spoiler]OA=B[/spoiler]

Source: Manhattan GMAT
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Source: — Data Sufficiency |
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by Vincen » Sat Apr 20, 2019 4:02 am

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00:00

Your Answer

A

B

C

D

E

Global Stats

What is the retail price of a certain calculator?

(1) The retail price of the calculator is $2.00 more than the wholesale price.
(2) The retail price of the calculator is 50 percent more than the $4.00 wholesale price.

[spoiler]OA=B[/spoiler]

Source: Manhattan GMAT
Hi Vjesus12.

Let's take a look at each statement.
(1) The retail price of the calculator is $2.00 more than the wholesale price.
This information does not tell us the exact retail price because we can get several situations, for example,

(i) If the wholesale price was $5 then the retail price was $7.
(ii) If the wholesale price was $2 then the retail price was $4.

Since we don't get a unique answer we conclude that this statement is NOT SUFFICIENT.
(2) The retail price of the calculator is 50 percent more than the $4.00 wholesale price.
Here we are told that the wholesale price is $4.

Since the retail price is 50% more, then the retail price of the calculator is given by $$4+4\cdot50\%\ =\ 4+2\ =\ 6\ dollars.$$ Since we've got a unique answer, then this statement is SUFFICIENT.

So, the correct answer is the option _B_.

Hope it helps.
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