What is 90 percent of 20
1 answer:
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Answer:
The new interest rate is about 0.1038.
As a percent, this is about 10.4%.
Step-by-step explanation:
We are given:
From this, we can determine that the interest rate is compounded annually at 10%.
We want a new equation that keeps A and P but the interest rate is compounded quarterly.
Compound interest is given by:
Since we are compounding quarterly, n = 4. Since the rate is 10%, r = 0.1. P stays at 250. Therefore:
Add:
Rewrite:
So:
Therefore, the approximate new interest rate is 1.1038 - 1 or about 0.1038.
As a percent, this will be 0.1038 or about 10.4%.