Respuesta :
Answer:
If the 1.4% rate of interest is the weekly rate of interest, Then, total first week interest = 1.4(d - w)/100 = 0.014(d - w)
But if the 1.4% rate of interest is a yearly rate of interest compounded weekly, then her total first week interest = 7(d - w)/2600 = 0.00269 (d - w)
Step-by-step explanation:
The interest, I = PRT
P = initial amount of dollars in account = (deposit - withdrawal) = (d - w)
R = rate of interest = 1.4% = 0.014/week
T = time = 1 week
If the 1.4% rate of interest is the weekly rate of interest
I = PRT = (d - w) × 0.014 × 1 = 0.014(d - w)
But if the 1.4% rate of interest is a yearly rate if interest compounded weekly,
P = initial amount of dollars in account = (deposit - withdrawal) = (d - w)
R = rate of interest = 1.4% = 0.014/year
T = time = 1 week = (1/52) years
I = PRT = (d - w) × 0.014 × (1/52) = 7(d - w)/2600 = 0.00269 (d - w)
Hope this Helps!!!
Answer:
7/26000 * (d - w),
= $ 0.00027(d - w)
Step-by-step explanation:
Using simple interest equation given by:
I = (P*r*t)/100,
Where,
I = interest
P = principal amount (initial amount)
= initial amount put - final amount
= $ d - $ w,
r = interest rate,
t = time taken,
n = 1
t = 1/52 years (52 weeks in a year)
r = 1.4 %
P = $ d - $ w
Using the first equation,
= (d - w)*1.4*1/52)/100,
= 7/26000 * (d - w),
= $ 0.00027(d - w)