Alana has been keeping an eye on an emerald ring she likes. Its original price was $39,220. After being marked down for a clearance sale, it is now $21,571. By what percent has the price of the ring gone down?

how am i supposed to answer

step-by-step explanation:

answer for #1 is c

answer for #2 is d

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so firstly, we need to isolate the y variables to be able to solve these inequalities. firstly, add 0.5x on both sides of the first inequality and subtract 1.5x on both sides of the second inequality:

now since the slope is positive for the first inequality, this means that the line going upwards belongs to the first inequality, and the line going downwards belongs to the second inequality.

next, since y ≥ in the first inequality, this means that the shaded region will be above the first inequality's line, thus shading regions a and b.

next, since y ≤ in the second inequality, this means that the shaded region is going to be below this line, thus shading regions a and c.

since both lines shade region a, this means that region a is the solution.

step-by-step explanation:

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