Solution:
we are given that
The magnitudes of the moon and Sirius are -12.5 and -1.44 respectively.
we have been asked to find approximately how many times is the moon brighter than Sirius?
The word magnitude is used by the scientist to describe the brightness of moon/star/object etc.
So we can find the brightness by dividing the given values. so we get

Hence we can say
The moon is 8.68 times brighter than Sirius.
The answer would be 12 inches. I have the most faith in my answer.
Answer:
14
Step-by-step explanation:
Let's call the number x.

Subtract 3 from both sides:

Multiply both sides by 2:

Hope this helps!