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QOTD #4 If A*B = A+B/B

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Carcass
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QOTD #4 If A*B = A+B/B [#permalink] New post   02 Jul 2016, 07:26
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If \(A \blacklozenge B = \frac{A+B}{B}\) and \(C \clubsuit = C + 3\), what is the value of \(( 9 \clubsuit ) \blacklozenge 3\) ?

\(Value =\)

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5
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Re: QOTD #4 If A*B = A+B/B [#permalink] New post   04 Jul 2016, 05:10
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Re: QOTD #4 If A*B = A+B/B [#permalink] New post   04 Jul 2016, 05:57
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PVSmanyam wrote:
5



Please, the answer is correct but give some sort of explanation. Could be useful to other students

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Re: QOTD #4 If A*B = A+B/B [#permalink] New post   04 Jul 2016, 06:05
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SOLVING IT FROM INSIDE TO OUTSIDE

C& = C+3 ==> 9& = 9+3 WHICH IS 12
Which means (9&)*3 becomes 12*3

now A*B = (A+B)/B ==> 12*3 = (12+3)/3

Which is 15/3 = 5

thank you
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Re: QOTD #4 If A*B = A+B/B [#permalink] New post   24 Aug 2016, 10:30
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Carcass wrote:
If \(A * B = \frac{A+B}{B}\) and \(C & = C + 3\), what is the value of \(( 9 & ) * 3\) ?

\(Value =\)

Show: :: OA
5



If C& = C + 3, then 9& = 9 + 3 = 12

So, (9&) * 3 = 12 * 3

If the operation * is such that A * B = (A + B)/B, then 12 * 3 = (12 + 3)/3
= 15/3
= 5
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Re: QOTD #4 If A*B = A+B/B [#permalink]
24 Aug 2016, 10:30
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