an elevator traveled from the 10th floor to the 2nd floor in 6 seconds. what was the rate of the elevator in floors per second
1 answer:
You might be interested in
No. We claim that 
and use algebra to prove the statement.
Let
. Multiply this by ten to get 
. Subtract the initial equation to give 
and divide by 
to see that 
. Substituting into the original equation gives , proving the desired statement.
Let