Proportion

                    Lesson 1

 

                                           Problem:    Identify True or False?

                                                                 8 / 7 = 80 / 70

 

                                           Solution      560 = 560 product of means and product of extremes are equal.

                                           Step 1:        

                           

                                           Solution      So this is True

                                           Step 2:          

                            

                                           Solution      Answer: True

                                           Step 3:                                           

                   Complete

                                           Try two practice problems:

                                                                       

                                                               Identify True or False:                                             

A.

14 / 12 = 6 / 21

B.

5 / 45 = 1 / 9

 

 

 

 

 

 

 

 

 

 

 

 

 

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