Chapter D, Problem 1DE

Complete.

$2\text{ hr}=\_\_\_\_\_\text{min}$

To determine

To fill: The blank in the statement, “ $2\text{hr}$ is equal to _____ min”.

Answer to Problem 1DE

Solution:

The complete statement is, “ $2\text{hr}$ is equal to 120 min”.

Explanation of Solution

Consider the given statement,

As it is known that $1\text{hr}=60\min$,

Therefore,

$\begin{array}{c}2\text{hr}=2\cdot 1\text{hr}\\ =1\cdot 60\min \\ =120\min \end{array}$

Hence, the complete statement is, “ $2\text{hr}$ is equal to 120 min”.