Answer:
Step-by-step explanation:
481 = 1.5h + 403
Sum = 20(1-(1/4)^5) / (1-1/4) = 26.64
Answer:

Step-by-step explanation:





I used the following rules:


Answer:
71/1000 as a decimal you have to divide numerator by the denominator of the fraction.
We divide now 71 by 1000 what we write down as 71/1000 and we get 0.071
Step-by-step explanation:
Answer:
5%
Step-by-step explanation:
You want to find r when ...
I = Prt
is equal to P and t=20.
P = Pr·20 . . . . fill in the problem values
1/20 = r = 0.05 = 5% . . . . divide by 20P
The simple interest rate is 5%.