if there are 400 billion birds in the world and 5 billion die each year and 395 million are left but 10 billion birds are made each year how many birds are there really

I think its 405 billion

Step-by-step explanation:

step-by-step explanation:

it's is b

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer