Q: we have boxes colored either red or blue . in each blue box there is a fixed number of blueberries . in each red box there is a fixed number of strawberries . if we dispose of one blue box for one additional red box , the total number of berries would increase by 30 , and the difference between the total number of strawberries and the total number of blueberries would increase by 100 . each blue box contains how many blueberries ? 
Lets think step by step. "let x be the number of blueberries in each blue box . then there are x + 30 strawberries in each red box . x + ( x + 30 ) = 100 x = 35. The answer is 35 

Q: 5 storks and 3 birds were sitting on the fence. 4 more birds came to join them. How many more birds than storks are sitting on the fence?
Since, ( ( 3.0 + 4.0 ) - 5.0 )=2.0. The answer is 2.0 

Q: During the Arkansas and Texas tech game the Razorback t-shirt shop made $ 60 by selling t-shirts. If they make $ 10 dollars off each t-shirt sold How many t-shirts did they sell?
Since, ( 60.0 / 10.0 )=6.0. The answer is 6.0 

Q: Helen the hippo and her friends are preparing for thanksgiving at Helen\'s house. Helen baked 144 chocolate chip cookies and 397 raisin cookies yesterday. And she baked 85 raisin cookies and 403 chocolate chip cookies this morning. How many raisin cookies did Helen bake?
Since, ( 397.0 + 85.0 )=482.0. The answer is 482.0

Q: Haley bought 11 new shirts for school. If she returned 6 of them, how many did she end up with?
Since, 11-6=5. The answer is 5 (new shirts)

Q: If I have 73 apples and I get 70 more, how many apples do I have now?
Since, 73+70=143. The answer is 143

Q: How much is 88 minus 51?
Since, 88-51=37. The answer is 37

Q: What is the product of 10 and 7?
As, 10*7=70. The answer is 70

Q: What do you get when you divide 60 by 10?
Because, 60/10=6. The answer is 6

Q: Estimate 40% of 50. 
Since, 40*50/100=20. The answer is 20