Action books and mystery books cost $ 5 each. Autobiography books cost $ 10 each. A librarian has $ 100 to spend on new books. I gathered some information about the types of books students checked for reading in the last month. How should a librarian spend the money? Use mathematical words and symbols to explain your thinking.

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

the correct answer is x/3+10≥32

hope this !

geometry: triangles

solvers

lessons

answers archive

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+

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