Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ?

Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ? Every one of these problems can be set up with the same format.

Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ? Every one of these problems can be set up with the same format : To set up the problem, go thru the given information and insert known values into the format…

Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ? Every one of these problems can be set up with the same format : To set up the problem, go thru the given information and insert known values into the format… In our example above…23 is what percent of 50

Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ? Every one of these problems can be set up with the same format : To set up the problem, go thru the given information and insert known values into the format… In our example above…23 is what percent of 50

Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ? Every one of these problems can be set up with the same format : To set up the problem, go thru the given information and insert known values into the format… In our example above…23 is what percent of 50 It’s now a basic proportion and you find what is missing…in this case %

Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ? A short cut for solving proportions, one that gets all the Algebra OUT is this : 1. Begin with the partner of the unknown ( red box ) 2. Move around the outside the proportion ( green box ) 3. Divide, then multiply to get the unknown Divide Multiply

Percent – Base and rate Problems You might know the “base / rate” problems as “is / of” problems. For example, 23 is what percent of 50 ? A short cut for solving proportions, one that gets all the Algebra OUT is this : 1. Begin with the partner of the unknown ( red box ) 2. Move around the outside the proportion ( green box ) 3. Divide, then multiply to get the unknown Divide Multiply

Percent – Base and rate Problems EXAMPLE # 2 : What is 35 % of 80

Percent – Base and rate Problems EXAMPLE # 2 : What is 35 % of 80

Percent – Base and rate Problems EXAMPLE # 2 : What is 35 % of 80

Percent – Base and rate Problems EXAMPLE # 2 : What is 35 % of 80 Divide Multiply

Percent – Base and rate Problems EXAMPLE # 3 : 15 is 20 % of what number

Percent – Base and rate Problems EXAMPLE # 3 : 15 is 20 % of what number Divide Multiply