Percent as Rational Number
80%
80/100 or 0.80
What is 10% of 50?
5
A tax is what kind of percent change?
Increase
Write an equation to...
y=kx
Scott got a 70% on his last assessment. It was out of 50 questions. How many did he get correct?
35 questions correct
15%
15/100 or 0.15
What is 20% of 150?
30
A discount is what kind of percent change?
Increase
The Y value represents what?
The part
Mike paid for 48 flowers but only received 21 of them. What percent of the flowers did Mike receive?
43.75% of the flowers
3%
3/100 or 0.03
What is 9% of 100?
9
To go from 12 to 20 is a percent increase of what?
75% increase
The X value represents the what?
The whole
95 students are signed up for the school dance. That is roughly 40% of the student population. How many students go to the school?
About 237 students
127%
127/100 or 1.27
What is 150% of 60?
90
What is a 40% decrease of 250?
150
56/100 = a/b
a = 0.56b
Joe is working to increase his math score. It is currently at a 65%. About what percent increase will he need to raise his grade to at least an 85?
31% increase
5241%
5241/100 or 52.41
What is 325% of 45?
146.25
What is a 16% increase of 26?
30.16
k/100 = 62/250
y=.248x
For the month, the absentee rate is 8% at a middle school. How many students are normally missing each day if there are 350 students at the school?
28 students per day are absent