The school decided to purchase a Pac Man Arcade Machine. Because it was a used machine, the school got a 40% discount from the $540 cost. How much did the school pay for the arcade machine after the discount?

The answer is 324.

Step-by-step explanation: This is because, since we got a 40% discount that means we are paying 60% of the original price. So, 60% of 540=324. Hope this helps! Have a great day! :>

geometry: triangles

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

my dear correct answer is option number 3