Answer:
The answer is 448 seconds
Step-by-step explanation:
Take a look at the image below.
The system of equations of two unknowns is formulated and solved.




The fraction that satisfies the request is
, since in
the negative signs are canceled and the first fraction is obtained.
Answer:
4.344
Step-by-step explanation:
Multiply.
First one is geometric
Second one is arithmetic
Because geometric sequences have patterns