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bija089 [108]
2 years ago
7

If the simple interest on ​$4000 for 2 years is ​$400​, then what is the interest​ rate?

Mathematics
1 answer:
ivanzaharov [21]2 years ago
6 0

Step-by-step explanation:

the answer is 5 percentage because the formula is 100 * 400 over 4000 * 2

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<span> [3] c = -a + 2b - 5 </span>

// Plug this in for variable  c  in equation [1]

<span><span>  [1] 2a + (-a +2?-5) = -10 </span><span>  [1] a = -5 </span></span>

// Plug this in for variable  c  in equation [2]

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// Solve equation [2] for the variable  ?  
 

<span> [2] ? = b + 10 </span>

// Plug this in for variable  ?  in equation [1]

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3 0
3 years ago
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