Question

. How much less is 42 km than 81.9 km ?​

Answer 1

Answer:

39.9 KM is the correct answer.

81.9-42

=39.9

Step-by-step explanation:

I hope this answer help you with the speed of light

Answer 2

Answer:

72.9

Step-by-step explanation:

81.9-42

81.9 - 42 = 72.9