Brad wants to send his girlfriend Kelli a dozen roses.

He visits two stores.

Observe the table:

Let be the number of miles.

Let be the amount to deliver a dozen roses.

The amount charged by Full Bloom store is .

The amount charged by Flowers-R-Us store is .

Equate two equations.

.

Find the distance the two stores charge the same amount to deliver a dozen roses.

                    (Equation)

    (Subtract from each side)

                              (Apply additive inverse property: )

               (Subtract from each side)

                                     (Apply additive inverse property: )

Therefore, Distance of the two stores will charge the same amount.

distance of the two stores will charge the same amount.