Question

There are 12 inches (in.) in 1 foot (ft). Which expression can be used to find the number of inches in 2.5 feet?

Answer 1

2.5feet x 12in/1foot = 30in

Answer 2

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
`\frac{2.5\text{ feet}}{1\text{ feet}}* 12\text{ inches}=30\text{ inches}`

Therefore, the number in inches are, 30 inches