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so what is 10% of 500?
You have the formula, and t=1, so just plug and chug.
formula: I=prt
You have the formula, and t=1, so just plug and chug.
I = P * r * t
Where:
I = Interest earned
P = Principal amount (initial savings amount)
r = Interest rate (in decimal form)
t = Time (in years)
In this case, Gwen has $500 in her savings account, the interest rate is 10% (0.10 in decimal form), and she wants to know the interest earned in one year (t = 1).
Substituting the values into the formula:
I = $500 * 0.10 * 1
Calculating:
I = $50
Therefore, Gwen will earn $50 in interest in one year.