Chapter 0.4, Problem 31E

To determine

To find: The simplest form of the given sum or difference.

Answer to Problem 31E

The simplest form of the sum is $-34.63$ .

Explanation of Solution

Given:

The given sum is $72.5-\left(-81.3\right)$ .

Calculation:

Consider the given sum,

  $72.5-\left(-81.3\right)$

The product of a positive and negative sign is negative, product of negative and negative is a positive and product of positive and positive is positive.

Then,

  $\begin{array}{c}72.5-\left(-81.3\right)=72.5+81.3\\ =153.8\end{array}$