Which number line represents - 0.8 + 2.4

1.6

Step-by-step explanation:

if you are at - 0.8 on a number line, you have to move 0.8 units to get to 0. you then have to continue to move an additional 1.6 units to get a total of 2.4 units.

-0.8, - 0.7, - 0.6, - 0.5, - 0.4, - 0.3, - 0.2, - 0.1, 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 ... and so on.