1/2 + [(2/3)(3/8)/4] (OG2016)

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1/2 + [(2/3)(3/8)/4] (OG2016)

by boomgoesthegmat » Fri May 06, 2016 12:35 pm
1/2 + [(2/3)(3/8)/4] - 9/16 =

(A) 29/16
(B) 19/16
(C) 15/16
(D) 9/13
(E) 0

OA: E

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by Brent@GMATPrepNow » Sat May 07, 2016 6:43 am
boomgoesthegmat wrote:1/2 + [(2/3)(3/8)/4] - 9/16 =

(A) 29/16
(B) 19/16
(C) 15/16
(D) 9/13
(E) 0

1/2 + [(2/3)(3/8)/4] - 9/16 = 1/2 + [(1/4)/4] - 9/16
= 1/2 + [1/16] - 9/16
= 8/16 + [1/16] - 9/16
= 0
= E

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by Matt@VeritasPrep » Thu May 12, 2016 12:40 am
1/2 + (2/3)*(3/8)/4 - 9/16 = x

Multiply both sides by 16

8 + 1 - 9 = x

0 = x