Describe the effect an increase in n, the number of payment periods, has on the monthly payment P in the formula
P= Py: -
1-(1+i)
a. An increase in n, the number of payment periods, will not change P, the monthly payment.
b. An increase in n, the number of payment periods, will create an increase in P, the monthly
payment.
C. An increase in n, the number of payment periods, will create a decrease in P, the monthly
payment
d. An increase in n, the number of payment periods, can increase or decrease P, the monthly
payment, depending on the value of PV.
Please select the best answer from the choices provided

step-by-step explanation:

12: 00 p.m. to 7: 00 p.m. is a total of 7 hours.

4: 00 p.m. to 7: 00 p.m. is a total of 3 hours.

this means that from 4: 00 p.m to 7: 00 p.m. this represents 3/7 of what was lost from 12: 00 p.m. to 7: 00 p.m.

after knowing this, after doing 11,600 - 6,800 = 4,800

4,800 represents 3/7 of what was lost for 7 hours.

we then divide 4,800 by 3 which gets 1,600.

because we know that 1,600 represents 1/7 of how much water was lost, we just have to multiply by 7, which gets 11,200.   after adding 11,200 to how much water was left at 7: 00 p.m. which was 6,800. 11,200 + 6,800 = 18,000

this means that the pool originally had 18,000 gallons in the pool.

you can also check your work by doing 18,000 - 4(1600), which becomes           1800 - 6400 which gets you 11,600.