Are there answer choices ?
Simply find the total medium cofees sold
then divide that by the number of medium cofees that weren't caffeinated
so..

then

so x will be 1.5 & 100 ÷ 1.5 = 66.666...
rounded is 67%
20 with a number minus what will equal 9. ^_^
Answer: 1/3
<u>Step-by-step explanation:</u>
When adding or subtracting fractions, they must have the same denominator.

Answer: y=x+60
So y=mx+b is slope intercept form
y=x+60
m=1/1 because we go equally up as we go right so just put x
b=60 because we start at 60
Hope this helps