10. Suppose that John has $3 in his pocket. If Cokes cost $1 each, would John spend all his money on the Cokes?

a. Yes

b. No

Question

10. Suppose that John has $3 in his pocket. If Cokes cost $1 each, would John spend all his money on the Cokes?

a. Yes

b. No

BlackTom AI · Accepted Answer

Each Coke costs $1, so three Cokes cost 3 × $1 = $3, which equals the $3 John has. Relevant concepts: basic arithmetic (multiplication and subtraction) and the logical distinction between possibility and certainty when interpreting "would."

Step-by-step reasoning:
1. Compute the cost if John bought 0, 1, 2, or 3 Cokes:
   - 0 Cokes: cost = 0 × $1 = $0; money remaining = $3 − $0 = $3.
   - 1 Coke: cost = 1 × $1 = $1; remaining = $3 − $1 = $2.
   - 2 Cokes: cost = 2 × $1 = $2; remaining = $3 − $2 = $1.
   - 3 Cokes: cost = 3 × $1 = $3; remaining = $3 − $3 = $0.
2. Arithmetic shows it is possible for John to spend all his money (if he buys 3 Cokes). However, the question asks whether John “would” spend all his money — that is a statement about what John will actually do, not what he could do.

Why the correct answer is No:
- The data given (price and amount of money) establish possibility but do not specify John’s choice or intention. Without additional information (e.g., “John decides to spend all his money”), we cannot conclude with certainty that he will spend all $3. Therefore the correct response to the modal question “would John spend all his money?” is No, because it asks for a definite action which is not guaranteed by the facts provided.

Why other option is incorrect:
- Answer a (Yes) treats the possibility (he could buy 3 Cokes) as certainty; that is not justified by the problem statement.

Conclusion: The correct choice is b (No), which matches the provided answer.

10. Suppose that John has $3 in his pocket. If Cokes cost $1 each, would John spend all his money on the Cokes? a. Yes b. No 单项选择题

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