Answer:
9
Step-by-step explanation:
In order to figure this out, I made the proportion:
[tex]\frac{300}{x} =\frac{100}{3}[/tex]
Multiply 3 by 300 and x by 100
300*3=?
x*100=?
900=100x
Divide 900 by 100 to find x
900÷100=9
x=9
