Log xy/4 =
log xy - log 4 =
log x + log y - log 4
You would divide 100/20 and get 5. then u would multiply 9 times 5 equals 45 then add a decimal to get ur answer 0.45
Try this solution, note, the shown way is not the shortest one.
The answer is marked with red colour.
The answer i think is 11, since it is the number between the ammounts, 8 being the lowest and 12 being the highest
Answer:
<h2>D) - 9/7</h2>
Hope this will help you lot.