Answer:
r=20%
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
solve for r
jk
Step-by-step explanation:lol
C, A = 8,000(0.0425)5
babe what are you doing on brainly?
5x4+20x3-105x2
5x2( x^2 +4x -21)