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Scrat [10]
3 years ago
13

james has a job with a current salary of $42,000. he wants to earn a collage degree that will take him 2 years to complete and i

t will cost $28,000 per year. he will go to school full time and will not work. upon graduation, james’ new salary will be $56,000 per year. how many years will it take james to recover his investment
Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0

Answer: 10.6 years

Step-by-step explanation:

The current salary is $42k per year

the college degree cost  $28k per year, and with the degree he can win $56k per year, and here we also can consider that he "loses" the $42k tat he would have earned if he keeped working.

Then, the amount of money per year is:

m1(y) = $42k*y

m2(y) = -2*$42k - 2*$28k + $56k*y

where y is the number of years after he gets his degree,

Now, we must find the value of y where those equations are equal:

$42k*y = -2*$42k - 2*$28k + $56k*y = -2*($28k + $42k) + $56k*y

($42k - $56k)*y = -2*$60k = -$120k

y = 120k/14k = 8.6 years

but remember that we coun y after he gets his degree, which takes 2 years, so the actual number of years that he needs to recover his inversion is (8.6 +2) years = 10.6 years

Alex777 [14]3 years ago
6 0
It will take him ten years.
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