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If x is a positive integer, and x/90=19.1, then what is the remainder

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If x is a positive integer, and x/90=19.1, then what is the remainder  [#permalink]

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New post 27 Oct 2018, 06:31
2
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

79% (01:30) correct 21% (01:18) wrong based on 28 sessions

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If x is a positive integer, and \(\frac{x}{90}\)=19.1, then what is the remainder when x is divided by 18?
A. 3
B. 6
C. 9
D. 12
E. 15
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Joined: 18 Jun 2018
Posts: 262
Re: If x is a positive integer, and x/90=19.1, then what is the remainder  [#permalink]

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New post 27 Oct 2018, 08:59
OA: C

\(\frac{x}{90}=19.1\)
\(x= 19*90 + 0.1*90=18*(19*5)+9\)
Using \(dividend = divisor*(integer \quad quotient)+ remainder\)
We get \(Quotient= 19*5=95\)
\(Remainder=9\)
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Re: If x is a positive integer, and x/90=19.1, then what is the remainder   [#permalink] 27 Oct 2018, 08:59
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If x is a positive integer, and x/90=19.1, then what is the remainder

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