Answer : The number in inches are, 30 inches
Explanation :
As we are given that there 12 inches are present in 1 foot. Now we have to determine the number in inches by unitary method.
The conversion factor used is :
1 foot = 12 inches
As, 1 foot is equal to 12 inches
So, 2.5 feet is equal to

Therefore, the number in inches are, 30 inches