Answer:
Rate = 6.666%
Step-by-step explanation:
First, the formula of the simple interest rate is:
R = I/PT x 100%
Put in the numbers:
R = $100/($150 x 10 years) x 100%
Then calculate:
R = $100/$1500 x 100%
R = 100/15%
R = 6.666%
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