Question 991709
Last week's gas prices at a local gas station decreased by 6% this Monday, 
but by this current weekend, they have increased by 8%.
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Last week's price:: x
Monday's price:: 0.94x
Current weekend price:: 0.92*0.94x = 0.8648x
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Ans:: The current price this weekend is 86.48% of 
last week's prices before the changes.
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Cheers,
Stan H.
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