Answer:
Option B.
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
The average rate is 5 mps because 80 seconds times 5 equals 400 meters
Answer:
goto gauth maths and ask again
36 divided by 3 = 12
3 goes into 36 twelve times.
Circumference/Diameter = pi = 3.14
C/D = pi = 3.14