Which factors of -24 will give you a sum of -5?​

A negative number always factors as a positive times a negative.

I would reccomend doing it systematically, like I have done below.

When ding it this way, you will see that -8 and +3 satisfy both requirements.

He will earn $420

Step-by-step explanation:

First, you have to find the total number of lawns he mows in six weeks. To do that, you have to multiply seven times six (). The answer to that problem is 42. Then you have to multiply 42 by $10 which is a total of $420.