Mental math problems what is it

Sherry's favorite sweatshirt is on sale for $14. She buys the sweatshirt in several colors and spends a total of $70. How many sweatshirts did Sherry purchase?

In a game the player wins if he rolls a 6 on a number cube.

Nicole has a stack of 50 dishes to wash. It took her 2 minutes to wash 8 dishes. At this rate, how long will it take Nicole to wash all 50 dishes?

1/8 of tony's books are mytery books. he has 3 mystery books. how many books does tony have in all?

There are 364 trees planted in 2 equal rows. One row has pine trees. The rest are oak trees. How many oak trees are there?

Evelyn ate 1/2 cup of nuts and her brother ate 1/4 cup. If there were 2 2/3 cups of nuts in the container before their snack how many cups were left after they finished?

If RB = 4 and OR = 3, then OB =

What is the domain of the equation y=1/X+5?

Convert 8 7/9 yd = In?

If the public debt of a country in 2009 was $10,432,000,000,000 and the budget for 2010 was in deficit by $201,645,000,000, what was the public debt in 2010? Do not include commas in your answer.