3 years ago

Can someone plz help plzzzz!!!!

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

7 0

Answer:

stop please don't cheat

Step-by-step explanation:

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What is the interest rate of each investment if The annual interest on a $17,000 investment exceeds the interest earned on an $8

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<u>Solution-</u>

Let's assume, the rate of interest of $8000 is x%,

then the rate of interest of $17000 is (x+0.3x) =1.3x%

Interest earned by $8000,

$i_1=\frac{8000\times x\times 1}{100} =80x$

Interest earned by $17,000,

$i_2=\frac{17000\times 1.3x\times 1}{100} =221x$

According to the question,

$\Rightarrow i_1=i_2+276$

$\Rightarrow 221x=80x+276$

$\Rightarrow 221x-80x=276$

$\Rightarrow 141x=276$

$\Rightarrow x=1.96$

∴ Rate of interest of $8000 is 1.96% and rate of interest of $17000 is (1.3×1.96) =2.55%

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3 years ago

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What is the distance between the points (1, 3) and (9, 9)?

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