Answer:
3.6 centimeters in 4 seconds.
Explanation:
Given, 2.7 centimeters in 3 seconds. x centimeters in 4 seconds.
We will solve this problem by unitary method.
since in 3 seconds = 2.7 centimeters
therefore, in 1 second =

Therefore, in 4 seconds =
× 4
=
= 3.6 centimeters
3.6 centimeters in 4 seconds.