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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@ GROUP BY pizza_order;
- An order with 3 pizzas takes 30 minutes at an average of 10 minutes per pizza.
- It takes 16 minutes to prepare an order with 2 pizzas which is 8 minutes per pizza — making 2 pizzas in a single order the ultimate efficiency rate.

### 4. Is there any relationship between the number of pizzas and how long the order takes to prepare?
### 4. What was the average distance travelled for each customer?

````sql
SELECT
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