Answer:
.3%, 21/7000=.003
Step-by-step explanation:
to make it by percent you multipy by 100
B
divide because your divideing for x and you wouldnt multiply it unless its a decimal
-9x+1=-80
First, subtract 1 from both sides.
-9x=-81
Divide both sides by -9.
x=9
The answer is 9 (x=9).
I hope this helps :)
