Derrick's Dog Sitting and Darlene's Dog Sitting are competing for new business. Derrick's Dog Sitting charges $16 plus $9 per hour. Darlene's Dog Sitting charges $20 plus $7 per hour. Part 1 Complete and solve the equation that can be solved to find the number of hours for which the total cost will be the same for the two services. In your equation, use x to represent the number of hours of dog sitting. The equation is . The total cost will be the same for the two services at 2 hours. Part 2 out of 2 Which dog sitting service is more economical to use if you need 7 hours of service? Complete the explanation. The cost would be $ at Darlene's Dog sitting. The cost would be $ at Derrick's Dog Sitting.
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16+9x=20+7x Derrick's dog service is more economical
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