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If 2x=7 and 3y=2 , the 9xy= [#permalink]
Expert's post 00:00

Question Stats: 93% (00:25) correct 6% (00:48) wrong based on 16 sessions VP Joined: 20 Apr 2016
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Re: If 2x=7 and 3y=2 , the 9xy= [#permalink]
1
KUDOS
Carcass wrote:
If $$2x=7$$ and $$3y=2$$ , the $$9xy=$$

A. 14

B. 18

C. 21

D. 28

E. 63

Its simple just need to take out the value of x and y
$$2x=7$$ or x = $$\frac{7}{2}$$

and $$3y=2$$ or y =$$\frac{2}{3}$$

So $$9xy$$ = $$9 *$$$$\frac{7}{2}$$ $$* \frac{2}{3}$$ =$$21$$
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GRE Prep Club Members of the Month:TOP 10 members of the month with highest kudos receive access to 3 months GRE Prep Club tests Re: If 2x=7 and 3y=2 , the 9xy=   [#permalink] 29 Jun 2018, 04:47
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