She is wrong she should have added 18 to both sides
You just multiply the x and the answer would be m = k-6/x
D.45 minutes
is the correct answer...
through this graph we get that
1point=3/2minutes..
therefore
30 points =3/2 30=45 minutes...
HOPE IT HELPS YOU '_'
Solution:
we are given in the problem that
So far, 18 of the 25 students in your class have turned in field trip permission slips.
we have been asked to find
What percent of your classmates have turned in permission slips?
Required Percentage
Simplify we get
Required Percentage
Hence 72% percent of your classmates have turned in permission slips.