π‘₯ = original price in dollars; Discounted Original: 80/100 = 140/π‘₯; 80π‘₯ = 140 βˆ™ 100; π‘₯ = 140 βˆ™ 100/80 = [(2 βˆ™ 7 βˆ™ 2 βˆ™ 5)(2 βˆ™ 5 βˆ™ 10)]/(2 βˆ™ 2 βˆ™ 2 βˆ™ 10) = 7 βˆ™ 5 βˆ™ 5 = 175;

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