When Dante was born, his grandparents deposited $10,000 into a special college fund that paid 4% annual interest, compounded monthly. How old was Dante when the balance in the account reached$13,000? Round your answer to the nearest tenth of a year.

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the answer is a

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,