1. Percents and Equations
COURSE 3 LESSON 6-4
Find 23% of 234.
part = P • whole
Use the percent equation.
n = 0.23 • 234
Substitute.
n = 53.82
Simplify.
So, 23% of 234 is
6-4

2. Percents and Equations
COURSE 3 LESSON 6-4
Misha got 84% correct on a 25 problem test. How many did he answer correctly?
number of problems correct is 84% of 25
Words
Equation
Let c = the number of problems correct. c
84% of 25 =
c = 0.84 • 25
c = 21
Simplify.
Check for Reasonableness 84% of % of 25. Since 80% of 25 is 20, which is close to 21, the answer is reasonable.
6-4