After an increase of 25% in price, by what percentage must the price be decreased to restore the original price?

Simply add 25% to 100% and you will get 125%

125% should be decreased to restore the original price

Example: $80 x .25 = $20

               $20 + $80 = $100

               $100 ÷ 125% = 80

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18

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring).   so find the distance between (1,2) and (4,2).   that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3.   it is a regular polygon which means all sides are congruent.   you have 6 sides (hexa) so multiply 6 by 3 to receive 18.

this answer is !