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# In the preceding figure, (a + b)/b = 5/2, what does b equal?

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Math Expert
Joined: 02 Sep 2009
Posts: 53066
In the preceding figure, (a + b)/b = 5/2, what does b equal?  [#permalink]

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11 Feb 2019, 23:44
00:00

Difficulty:

25% (medium)

Question Stats:

92% (00:58) correct 8% (01:43) wrong based on 13 sessions

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In the preceding figure, (a + b)/b = 5/2, what does b equal?

(A) 108
(B) 99
(C) 81
(D) 72
(E) 63

Attachment:

2019-02-12_1143.png [ 11.97 KiB | Viewed 209 times ]

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Re: In the preceding figure, (a + b)/b = 5/2, what does b equal?  [#permalink]

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11 Feb 2019, 23:55
(a+b) = 180
(180*2)/5=b
b=72

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Re: In the preceding figure, (a + b)/b = 5/2, what does b equal?  [#permalink]

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12 Feb 2019, 00:00
72,

a+b = 180 ( linear angle pair)

(a+b)/b=5/2

solving these two gives b= 72

please give kudos if this right

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Re: In the preceding figure, (a + b)/b = 5/2, what does b equal?   [#permalink] 12 Feb 2019, 00:00
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