PLEASE HELP WITH A SIMPLE INTEREST QUESTION!?

Question

Samantha deposits $300 in an account that earns an annual interest rate of 2.5% after 9 months how much interest did she earn? i don't understand how to find interest 10 points best answer to the person who explains it the best (ex: u divide x by y...)

Answer 1

simple interest of 2.5% means she receives for the year

0.025 of the amount deposited (2.5/100).

300 x .025 = 7.50

9 months = 3/4 year,

3/4 x 7.50 = $5.625

rounded that's $5.63

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