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Luba_88 [7]
3 years ago
9

If p is prime and n is even such as that p+n =47 and p×n=210 what is the value of n?

Mathematics
1 answer:
den301095 [7]3 years ago
5 0
P+n=47
pn=210
p=47-n
n(47-n)=210
47n-n^2-210=0
n^2 - 47n +210 = 0
(n-5)(n-42)=0
n = 5 or 42.  Since we are given n is even we take n = 42
then p = 5
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PtichkaEL [24]

By using an excel spreadsheet and IRR function, the cross over rate = 14.85%

Year           Cash Flow (A)           Cash Flow (B)

0                    -58,000                   -58,000

1                      34,000                     21,200

2                     28,000                     25,200

3                     20,000                     30,000

4                      13,600                     25,200

<h3>What is the IRR for each of these projects?</h3>

using an excel spreadsheet and the IRR function:

Project A's IRR = 28.3%

Project B's IRR = 25.7%

(b) If you apply the IRR decision rule, which project should the company accept?

Project A (its IRR is higher)

Requirement 2:

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Project B's NPV = $15,156.64

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Project B (its NPV is higher)

Requirement 3:

(a) Over what range of discount rates would you choose Project A?

higher than 14.85%

(b) Over what range of discount rates would you choose Project B?

lower than 14.85%

(c) At what discount rate would you be indifferent between these two projects?

crossover rate calculation

Year           Cash Flow (A)           Cash Flow (B)       differential amount

0                    -58,000                   -58,000                       $0

1                      34,000                     21,200                     $12,800

2                     28,000                     25,200                     $2,800

3                     20,000                     30,000                  -$10,000

4                      13,600                     25,200                   -$11,600

using an excel spreadsheet and IRR function, the cross over rate = 14.85%

To know more about IRR function follow

brainly.com/question/24765495

#SPJ4

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This is, however, only the equation way to solve. 
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