What is -189.987 - 30.87?

Question

A. 159.117
B. -159.117
C. -220.857
D. -193.074

Answer 1

To find $-189.987-30.87$, follow these steps:

1. Start with the number $-189.987$.
2. Subtract $30.87$ from it.

This involves straightforward subtraction:

$$-189.987-30.87=-220.857$$

So, the correct answer is:

C. $-220.857$