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# The price of commodity A is $5800 and it decreases  Question banks Downloads My Bookmarks Reviews Important topics Author Message TAGS: Intern Joined: 09 Sep 2019 Posts: 1 Followers: 0 Kudos [?]: 0 [0], given: 0 The price of commodity A is$5800 and it decreases [#permalink]  09 Sep 2019, 10:09
00:00

Question Stats:

33% (02:29) correct 66% (03:50) wrong based on 3 sessions
The price of commodity A is $5800 and it decreases at the rate of$2 per three months. Commodity B costs $4200 and it increases at the rate of$8 per four months. How many years will it take for the two commodities to become equal in price?

A.4.5

B.3.8

C.20

D.60

E.50

I'm not quite sure what I'm doing wrong, but I keep getting the answer of 50. If anyone could show me how to do this problem that would be very appreciated.

Thanks!
[Reveal] Spoiler: OA

Last edited by Carcass on 09 Sep 2019, 11:53, edited 2 times in total.
Edited by Carcass
Founder
Joined: 18 Apr 2015
Posts: 9739
Followers: 202

Kudos [?]: 2385 [0], given: 9227

Re: The price of commodity A is $5800 and it decreases [#permalink] 09 Sep 2019, 11:54 Expert's post 50 is correct. If the question says is another option I think the question indicates it as wrong $$5800 - 8x = 4200 + 24x$$ $$1600 = 32 x$$ $$x = 50$$ Hope this helps _________________ Need Practice? 20 Free GRE Quant Tests available for free with 20 Kudos GRE Prep Club Members of the Month: Each member of the month will get three months free access of GRE Prep Club tests. Re: The price of commodity A is$5800 and it decreases   [#permalink] 09 Sep 2019, 11:54
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# The price of commodity A is \$5800 and it decreases

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