5 On the first 3 of 4 consecutive days, Gary delivered 78,
52, and 70 newspapers. How many newspapers did
Gary deliver on the fourth day, if the average number of
newspapers he delivered per day during the four-day
period was 72?

could

step-by-step explanation:

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step-by-step explanation:

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answer: the proof is mentioned below.

step-by-step explanation:

since, given:   lines bc = ef

prove:   lines ac > ef

          statements                                           reason

1. bc=ef                                           1. given

2. ac= ab+bc                                 2. because b is the point between the  

                                                            line segment ac

3.   ac > bc                                       3. because if a line segment is equal to

                                                          the sum of two line segments then it is

                                                          always greater then each of these

                                                          individual line segments

4. ac > ef                                         4. by equality property.