Answer:
Step-by-step explanation:
Answers are explained/Solved in the attach document.
The amount Howie will pay back at the end of one year is $26000.00
The given parameters are:
-- the principal amount
-- the interest rate
--- the duration
The amount to pay back in this duration is then calculated using:

So, we have:


Express percentage as decimal


Multiply

Hence, the amount to pay back is $26000.00
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the constant of variation or namely its slope will be

1. I complete some of my cyber: 7:00am to 10:00am
2. I spend time doing assignments in votech: 12:00pm to 2:30pm