Noah invested $2500 in an account paying 3.5% simple interest. How much was his account worth after 5 years?

Noah's account would be worth $2937.50.

The amount Noah's account would be worth in 5 years is the sum of the amount invested and the simple interest earned.

Simple interest is when the interest rate is earned on only the amount invested.

The formula for determining simple interest is: principal x time x rate

$2500 x 3.5% x 5

$2500 x 0.035 x 5 = $437.50

Worth of the account = $437.50 + $3500 = $2937.50

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gregory's graph is incorrect because it shows 2 inches of growth for each week when it should show 0.75 inches of growth each week.