Solving Percent Problems

1
Solving Percent Problems

• Section 6.5

2
Objectives

• Solve percent problems using the formula
• Solve percent problems using a proportion

3
Objective 1 Solve percent problems using the
formula
4
Objective 1

• Percent formula R of B is A
• R x B A
• R is rate of percent
• B is base
• A is amount that is compared to B, sometimes
  called percentage
• Other forms
• A R x B
• R A B
• B A R
• For R, use decimal or fraction form of percent

5
Objective 1
A
A


B
R
B
R
x
6
Objective 2 Solve percent problems using a
proportion
7
Objective 2

• R A B
• If R is written in fraction form, x, then
• If one of R, A, or B is unknown, then solve as a
  proportion
• Cross multiply
• Divide
• If trying to find R
• Find x. Then R x