Question: Oliver has two bags of vegetables. Each bag weighs 1/6 as much as James’s bag, which weighs 18kg. What is the combined weight of both Oliver’s bags?
Answer: Each of Oliver’s bags weighs 18 kg * 1 / 6 = 3 kg. Combined, both his bags weigh 3 kg * 2 = 6 kg. The answer is 6.

Question: Du Chin bakes 200 meat pies in a day. He sells them for $20 each and uses 3/5 of the sales to buy ingredients to make meat pies for sale on the next day. How much money does Du Chin remain with after setting aside the money for buying ingredients?
Answer: From the 200 meat pies, Du Chin makes 200 * $20 = $4000 after the sales. The amount of money he uses to buy ingredients to make pies for sale on the next day is 3 / 5 * $4000 = $2400. After setting aside money for buying ingredients, Du Chin remains with $4000 - $2400 = $1600. The answer is 1600.

Question: Peter bought 4 new notebooks for school. 2 of them are green, one is black and the other one is pink. The total cost was $45. If the black notebook cost $15, and the pink one cost $10, how much did the green notebooks cost each?
Answer: The black and pink notebook cost a total of $15 + $10 = $25. The green notebooks cost a total of $45 - $25 = $20. Each green notebook cost $20 / 2 = $10. The answer is 10.

Question: Carla's teacher tells her that she needs to collect 30 leaves and 20 bugs for a project that's due in 10 days. How many items does Carla need to collect each day if she always wants to collect the same daily amount?
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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First find the total number of items Carla needs to find by adding the number of leaves to the number of bugs: 30 leaves + 20 bugs = 50 items. Now divide the total number of items by the number of days Carla has to do her assignment to find the daily collection amount: 50 items / 10 days = 5 items / day. The answer is 5.