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1. Steve is a personal trainer who has two plans.One plan is to charge $10 for the initial consultation and then $30 per session.Another plan is to charge $70 for the consultation and $20 per session. Write an equation that represents the cost of each plan and determine when the plans cost the same.

2. Mr. Campell is contemplating which chauffeured car service to take to the airport.The first costs $10 up front and $3 per mile.The second costs $20 plus $2 per mile.Write an equation that represents the cost of each car service and determine when they cost the same.

3. Mr. Campell has $200 in his savings account, and Mr. Ricks has $125 in his.Mr. Campbell is adding $2 per week, whereas Mr. Ricks is contributing $7 per week.Write an equation that represents the amount in each savings account and determine when they have the same amount.

4. Mr. Bentley is at the mall is shopping for holiday gifts, and is considering having them wrapped.He can get them wrapped at the department store, which charges an upfront fee of $10 and then $3 per gift. Alternatively, Mr. Bentley can pay his niece a flat fee of $40 to wrap all of his gifts.Write an equation that represents the cost of each gift wrap plan and determine when they cost the same.