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Re: The cost per pound of tea and coffee were the same in June. In July, t [#permalink]
Expert Reply
X increased by 200% would become X + 2X = 3X

From here https://gre.myprepclub.com/forum/gre-ma ... tml#p81625

I strongly suggest to you to review the theory chapter linked

Moreover, when you decrease X , suppose by 10%, it will become

X decreased by 10% would become X – 0.1 X = 0.9 X

alike if X decreases by 90% it is X-0.9X=0.1X

10-9=1

here is the same

Please review the theory above
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Re: The cost per pound of tea and coffee were the same in June. In July, t [#permalink]
Got it... thank you
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