Richie Rich deposited $5,250 into an account. He made no additional deposits or withdrawals. Richie Rich earned 3.5% annual simple interest on the money in the account.
What was the balance in dollars and cents in Richie Rich's account at the end of 5 years?

75

step-by-step explanation:

answer: ur v dumb

step-by-step explanation:

geometry: triangles

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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