You can use it 25 times 4 times 25 is 100 100 by 25 is 4
Answer:
r = 8%
Step-by-step explanation:
Given that,
Interest, I = $24
Principal, P = $1200
Time, t = 90 days = 90/360 = 1/4 years
We need to find the rate.
We know that,
The simple interest is given by :
![I=\dfrac{Prt}{100}](https://tex.z-dn.net/?f=I%3D%5Cdfrac%7BPrt%7D%7B100%7D)
Put all the values,
![r=\dfrac{100I}{Pt}\\\\r=\dfrac{100\times 24}{1200\times \dfrac{1}{4}}\\\\r=8\%](https://tex.z-dn.net/?f=r%3D%5Cdfrac%7B100I%7D%7BPt%7D%5C%5C%5C%5Cr%3D%5Cdfrac%7B100%5Ctimes%2024%7D%7B1200%5Ctimes%20%5Cdfrac%7B1%7D%7B4%7D%7D%5C%5C%5C%5Cr%3D8%5C%25)
So, the rate is 8%.
Spencer would be the correct one because it's easier to keep your variables positive when trying to solve. Therefore, in order to keep the variable positive, one would have to add 4x to both sides.
<span><span>GCF=2</span>The answer is 2(a+5b)(a^2−5ab+25b^2)</span><span><span>
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