Problema Solution
At a certain store the taco sauce was on sale for 1/3 off. With a coupon for an additional 20 cents off, the final cost of the sauce was 1.20.
Answer provided by our tutors
let x be the original price
(x - 1/3*x) - 0.20 = 1.20
x(1-1/3) - 0.20 = 1.20
(2/3)x = 1.20+0.20
by solving we find
x = $2.1
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the original price of the taco sauce we $2.1.