Try this: Principal times (1+interest rate as a decimal fraction)^(number of yrs)
In this case, Principal = $28,000; interest rate = -0.25; # of years = 1
So Decrease in value = $28,000 (0.75)^1 = $21,000.
Answer:108
Step-by-step explanation:
Answer:
9 cm.
Step-by-step explanation:
Let x be the number of hours.
We have been given that after a winter storm, the depth of the snow on cherry street was 10 cm. Then, the snow started melting at a rate of
, so the snow melted in x hours will be
.
Since initially there was 10 cm of snow, so the depth of snow after x hours will be:

To find the depth of snow after 3 hours we will substitute
in our expression.



Therefore, the depth of the snow on cherry street after 3 hours will be 9 cm.
The scale factor is 5/3
9(5/3) = 15
Answer:
???
Step-by-step explanation: