BELL RINGER:DISCUSS WITH A NEIGHBOR THE

QUESTION PROVIDED

2-7 Solving Proportions

Proportion: an equation that states that two ratios are equal.

Read as: a is to b as c is to d

Cross Products Property of a Proportion

Problem 2: Solving Proportion Using the Cross Products Property

43=8𝑥

𝑦3

=35

Problem 3: Solving a Multi-Step Proportion

𝑏−85

=𝑏+34

𝑛5=2𝑛+46

Problem 4: Using a Proportion to Solve a Problem

A portable media player has 2 gigabytes of storage and can hold about 500 songs. A similar but larger media player has 80 gigabytes of storage. About how many songs can the larger media player hold?

An 8-oz can of orange juice contains about 97 mg of vitamin C. About how many milligrams of vitamin C are there in a 12-oz can of orange juice

Brain Pop Video

http://www.brainpop.com/math/ratioproportionandpercent/proportions/