A salesman buys a coat at a 12.5 percent discount off of 64 dollars. He then sells the coat at a gain of 25 percent of his cost. After allowing a 20 percent discount on the marked price. What is the marked price in dollars of the coat? Please also explain how to get it! Thank you

step-by-step explanation:

i hate black

the 4th choice is the correct one

step-by-step explanation:

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y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )