Solving Percent Problems Section 6.5. Objectives Solve percent problems using the formula Solve percent problems using a proportion.

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Presentation transcript:

Solving Percent Problems Section 6.5

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

Objective 1: Solve percent problems using the formula

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

Objective 1 A BR ÷ ÷ x A R B

Objective 2: Solve percent problems using a proportion

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%