How to find two different variables in one equation using substitution?
1 answer:
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Answer:
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above and solve for t
You can solve this question with pythagorean theorem > 
Based on the information, you already have one side (a or b, doesn't matter, 12) and the hypotenuse (the cut, c, 15)
So:
1.
2. 144+
= 225
3. = 225 - 144 = 81
4.
5.
Based on the information, you already have one side (a or b, doesn't matter, 12) and the hypotenuse (the cut, c, 15)
So:
1.
2. 144+
3.
4.
5.