Julie spends all of her income on gasoline and pizza. Gasoline costs $4 per gallon and pizza costs $2 per slice. When Julie's income is $50 per week, she purchases 5 gallons of gasoline and 15 slices of pizza. When her income rises to $80 per week, she buys 15 gallons of gasoline and 10 slices of pizza. Which of the following statements is true?

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The Answer of Julie spends all of her income on gasoline and pizza. Gasoline costs $4 per gallon and pizza costs $2 per slice. When Julie's income is $50 per week, she purchases 5 gallons of gasoline and 15 slices of pizza. When her income rises to $80 per week, she buys 15 gallons of gasoline and 10 slices of pizza. Which of the following statements is true?

Julie Spends All of Her Income on Gasoline and Pizza