Middle School:
Question: A red token is worth twice as much as an orange token. An orange token is worth 5 less a yellow token. A yellow token is worth 15 less than a green token. A green token is worth half as much as a blue token, and a blue token is worth B. How much is a yellow token worth in terms of B?
Answer: 0.5B - 15
Solution: If a blue token is worth B, then a green token is worth half of B, or 0.5B. A yellow token is worth 15 less, so that is 0.5B-15.
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