Question 178316
 I am returning with a similar problem. These have me stuck and they are the last two to complete my work. This one is N= square root of x+2. x=16 years. This part I got and my answer was 18.
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If N = sqrt(x+2) and x = 16, then
N = sqrt(18) =~ 4.2426
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The second part ask how many years will there be in 7 million??? So, they are flipped.. I am yet confused again. Please help. 
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In 7,000,000 what?