Three sheafs of good crop, two sheafs of mediocre crop, and one sheaf of bad crop sold for 39 dou. Two sheafs of good, three of mediocre, and one of bad sold for 34 dou. One sheaf of good, two of mediocre, and three of bad sold for 26 dou. What is the price for a sheaf of good crop, mediocre crop, and bad crop

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.

b. x + 1

step-by-step explanation:

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geometry: triangles

solvers

lessons

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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