pre- algebra

Is this equation right for this story?
c=2.50*10*.55*2.75x
You are considering taking a job with the dove bar company for the summer. They will rent an insulated cart to you that you can take to any street corner in the south ben area and sell dove bars. The cart rents for $92 per week. To keep the ice-cream bars frozen, you must buy dry ice every day. Seven- eleven sells dry ice blocks for $2.50 per pound and you will need about 10 lb. per week. The dove bar company will supply you with bars for $0.55 each and they require that you sell them for $2.75
How do I explain how the coefficients relate to the situations also. I think I have it but Im not sure

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