1 Answer

Amir Saniyan · Answer 1 · 2018-11-16T21:56:30+0000

Set the numbers as equivalent fractions :

(350)/(x) = (7)/(10)

(30% off means 70% of the original price)
Cross multiply: 3500=7x
Solve for x: x = \frac{3500}{7} [/tex] , or x=500

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