Look at the pic attached please :D
2 answers:
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Formula for compound interest is
Interest = Amount - Principal
Interest = - P
Where r = rate in percent
t = time in years
For Jaina,
P = $300
r= 7%
t = 3 yrs
So, Interest = - 300
For Tomas
P = $400
r= 4%
t = 3 yrs
So, Interest = - 400
So pair of equations for Jaina and Tomas are
Interest = - 300
Interest = - 400
Hello there!
<u><em>Answer: ⇒⇒⇒⇒⇒ </em></u>
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Step-by-step explanation:
First you had to divide by 8 from both sides of equation.
Simplify.
Then you had to add by 7 from both sides of equation.
Simplify.
Divide by 6 from both sides of equation.
Simplify it should be the correct answer.
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Hope this helps!
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Have a great day!
-Charlie