[Question]Roy has 2 blue pens. He has twice as many black and 2 less than twice as many red than black pens. How many pens does Roy have in all?
[Answer]Roy has 2 x 2 = 4 black pens. Twice the number of black pens is 4 x 2 = 8. So, there are 8 - 2 = 6 red pens. Therefore, Roy has 2 + 6 + 4 = 12 pens in all. The answer is 12.

[Question]Cheryl placed 300 strawberries into 5 buckets. After she did that she decided to take 20 out of each bucket so they wouldn't get smashed. How many strawberries were left in each bucket?
[Answer]Every bucket originally had 300 / 5 = 60 strawberries. After she removed 20 strawberries there were 60 - 20 = 40 strawberries in each bucket. The answer is 40.

[Question]Josie received $50 as a gift. She plans to buy two cassette tapes that cost $9 each and a headphone set that costs $25. How much money will she have left?
[Answer]The cassette tapes will cost 2 9 = $18. She spends 18 + 25 = $43 in total. Josie will have 50 - 43 = $7 left. The answer is 7.

[Question]A shop sold 29 bags of potatoes in the morning. In the afternoon, the shop sold 17 bags of potatoes. If each bag of potatoes weighs 7kg, how many kilograms of potatoes did the shop sell for the whole day?
[Answer]
They sold in the morning and afternoon for a total of 29 + 17 = 46 bags. Each bag weighs 7kg so 46 bags weigh 46 * 7kg = 322kg. The answer is 322.