Answer:
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R=8%
Explanation:
P=$6,000, T=10yrs and I=$4,800 and R=?
I=PRT/100
4800=6000xRx10/100
cross multiply
60000R=480000
divide both sides by 60000
The interest rate is 8% p.a.
Simple interest changes by the same amount each year (per annum)
So in this case, it is $480 per year ($4800/10 years)
480/6000 = is 8%
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