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If a = 3b + c, what is the value of b when a = 17 and c = 2 ?

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If a = 3b + c, what is the value of b when a = 17 and c = 2 ?  [#permalink]

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New post 22 Jun 2020, 08:46
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Re: If a = 3b + c, what is the value of b when a = 17 and c = 2 ?  [#permalink]

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New post 22 Jun 2020, 08:56
Given: a = 3b + c, a = 17 and c = 2
To find: the value of b = ?

Solution: a = 3b + c
Putting Values,
17 = 3B + 2
17 - 2 = 3B
15 = 3B
5 = B

ANSWER IS A

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Re: If a = 3b + c, what is the value of b when a = 17 and c = 2 ?  [#permalink]

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New post 22 Jun 2020, 09:34
a = 3b + c , given A = 17 , C = 2

17 = 3b + 2
15 = 3b
b = 5

Answer A
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Re: If a = 3b + c, what is the value of b when a = 17 and c = 2 ?  [#permalink]

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New post 22 Jun 2020, 22:28
Bunuel wrote:
If a = 3b + c, what is the value of b when a = 17 and c = 2 ?

(A) 5

(B) 18/3

(C) 12

(D) 15

(E) 45


Solution


    • \(a = 17,\)
    • \(c = 2,\)
    • We need to find the value of b
    • We have, \(a = 3b + c\)
      o Substituting the value of a and c in the above equation, we get,
         \(17 = 3*b + 2\)
      o Subtracting 2 from both sides, we get,
         \(15 = 3*b\)
      o Dividing both sides of the above equation by 3, we get,
         \(b = 5\)
Thus, the correct answer is Option A.
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If a = 3b + c, what is the value of b when a = 17 and c = 2 ?  [#permalink]

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New post 02 Jul 2020, 12:41
\(a = 3b + c\)
\(17 = 3b + 2\)
\(3b = 15\)
\(b = 5\)
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If a = 3b + c, what is the value of b when a = 17 and c = 2 ?   [#permalink] 02 Jul 2020, 12:41

If a = 3b + c, what is the value of b when a = 17 and c = 2 ?

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