Etiket fiyatı üzerinden %6 indirimle sattığı hâlde%20 kâr etmek isteyen bir satıcının, 1880 liraya aldığı bir
malin indirim yapılmadan önceki etiket fiyatı kaç lira
olmalıdır?

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

too hard the other guy did it

step-by-step explanation:

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step-by-step explanation:

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the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.