Answer:
942.22
Step-by-step explanation:
0.9(x-20)=830
Distribute .9
.9x -18 =830
Add 18 to each side
.9x -18+18=830+18
.9x = 848
Divide each side by .9
.9x/.9 = 848/.9
x =942.22222222
To the nearest hundredth
942.22
Answer:
If only the fittest survive in certain enviorments other animals have to evolve to live in different places
Step-by-step explanation:
First, realize that angle ABC is the sum of the two other angles. Hence, form an equation in which you subtract the measure of one of the angles from angle ABC to get the measure of the other angle -- the one you are solving for.