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allochka39001 [22]
2 years ago
6

PLEASE HELP SOMEONE I DONT KNOW HOW THIS WORKS

Mathematics
2 answers:
HACTEHA [7]2 years ago
8 0

<em>Answer:</em>

<em>4289 kilometers squared</em>

<em>Step-by-step explanation:</em>

<em>This is an example of compounding. We start with the basic 4800 kilometers of land. We then find seven percent of the 4800 kilometers and subtract that same seven percent. If we are trying to find the area after twelve years, we must repeat this process twelve times. This does </em><u><em>not</em></u><em> mean that we find seven percent of 4800 then repeat subtracting the same amount. We need to fix the seven percent so that we can get seven percent of the amount we currently have.</em>

<em>With this in mind, we need to write a equation:</em>

<em />cv = cv/107<em>*</em>

<em>*Note that we are trying to find 93% of the current value (cv). We need to divide by 107%, not 7% (would be an illogical divisor). Then, when we divide by 107%, we have the 7% that we need to subtract by. There, we find the needed 93%</em>

<em>Now we can solve.</em>

<em>4800/107 = 45**(1)</em>

<em>4800 - 45 = 4755</em>

<em>4755***/107 = 44**(2)</em>

<em>***As mentioned earlier, we do not continue to subtract 45. We need to adjust to a new current value (cv).</em>

<em>4755 - 44 = 4711</em>

<em>4711/107 = 44**(3)</em>

<em>4711 - 44 = 4667</em>

<em>4667/107 = 44**(4)</em>

<em>4667 - 44 = 4623</em>

<em>4623/107 = 43**(5)</em>

<em>4623 - 43 = 4580</em>

<em>4580/107 = 43**(6)</em>

<em>4580 - 43 = 4537</em>

<em>4537/107 = 42**(7)</em>

<em>4537 - 42 = 4495</em>

<em>4495/107 = 42**(8)</em>

<em>4495 - 42 = 4453</em>

<em>4453/107 = 42**(9)</em>

<em>4453 - 42 = 4411</em>

<em>4411/107 = 41**(10)</em>

<em>4411 - 41 = 4370</em>

<em>4370/107 = 41**(11)</em>

<em>4370 - 41 = 4329</em>

<em>4329/107 = 40**(12)****</em>

<em>****Meaning that this is the last year</em>

<em>4329 - 40 = 4289</em>

<em>Your answer is 4289 kilometers squared.</em>

<em>Hope this helped.</em>

Brrunno [24]2 years ago
7 0

Answer:

768

Step-by-step explanation:

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=======================================

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