Question

A restaurant uses 15 pound bags of flour in four days each day. The bag of flour gets lighter as more flour is used.

Answers

GPT 3.5
At the start of the first day, the restaurant has a full 15-pound bag of flour.

By the end of the first day, some flour has been used, so the bag is lighter. Let's say x pounds of flour have been used on the first day. Therefore, the bag now weighs 15 - x pounds.

On the second day, another 15-pound bag is used, so the total weight of flour used in two days is x + 15 - x = 15 pounds.

At the start of the third day, the second bag is empty, and the restaurant starts a fresh 15-pound bag. Thus, they have 15 pounds of flour available.

On the third day, the remaining flour from the previous day is used, so the bag now weighs 15 - (x + 15 - x) = 15 - 15 = 0 pounds.

Finally, on the fourth day, another 15-pound bag is used, so the total weight of flour used in four days is x + 15 - x + 15 = 30 pounds.

To summarize:
- On the first day, x pounds of flour are used
- On the second day, 15 pounds of flour are used
- On the third day, the remaining flour is used (0 pounds)
- On the fourth day, another 15 pounds of flour are used

Therefore, in four days, the restaurant uses a total of x + 15 + 0 + 15 = x + 30 pounds of flour.

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