Step-by-step Answer
PAGE: 38SET: ExercisesPROBLEM: 41
Please look in your text book for this problem Statement

Jamie wants to be able to run at least the standard marathon distance of .

A good rule for training is that runners generally have enough endurance to finish a race that is up to times his or her average daily distance. a.

The length of her current daily run is .

write an inequality.

Let represents be the distance.

The inequality is .


Solve the inequality.

                        (Original inequality)

                        (Distributive property: )

         (Subtract from each side)

                        (Apply additive inverse property: )

                                (Subtract: )

                            (Divide each side by )

                                   (Cancel common terms)

Jamie should increase the distance of her average daily run by at least .

Her average daily run by at least .


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