help Dave is buying pizza and soda. Suppose that a slice of pizza and a can of s

Question

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Dave is buying pizza and soda. Suppose that a slice of pizza and a can of soda each cost $5. Let E be the amount in dollars that Dave spends on pizza and soda. If Dave buys P slices of pizza and S cans of soda, which of the following equations correctly describes the amount of money he spends? 5E = P + S E = 5P + 5S E = P + 5S E = P + S E = 5P + S Now rearrange the equation you wrote above so that S is written in terms of E and P. Which of the following is correct? S = E - P S = 5E - 5P S = E - 5P S = (1/5)E -P S = P + E Suppose Dave has a certain amount of money to spend on pizza and soda. The graph below shows the amount of pizza and soda he can afford with that amount of money. (Economists call this a budget line or budget constraint.)

Explanation / Answer

E = 5P + 5S...second option

S = (1/5)E-P ...fourth option

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