Answer:
Did you ever figured it out?
Step-by-step explanation:
?
k=2.1
7/10k=21
x7 x7 Multiply seven from each side of the equation.
10k=21
/10 /10 Divide ten from each side of the equation. 21/10=2.1
300
300*0.03=9
slide right 2 and down 3
OPTION B is the correct answer.