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Popular Word Problems >

Including a 10% sales tax, a new stereo costs 319. Find the cost of the stereo before tax.

Solution

I n c l u d in g a 10% s a l es t a x, a n e w s t ereo cos t s 319. F in d t h e cos t o f t h e s t ereo b e f ore t a x .

Solution

Amount before tax : 290

Solution steps

Translate the problem into an equation:

319 = x + 0.1 x

319 = x + 0.1 x : x = 290

Amount before tax : 290

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