While brazilian and columbian street children who earn their money as vendors were able to conduct financial operations in their minds, when asked to perform similar tasks with a paper and pencil they

When asked to perform similar tasks with a paper and pencil they "performed worse than without using paper and pencil ".

It is conceivable to be better at mental count and the reason can be that those children’s daily lives are based on these calculations in their heads, practice helps, but when it comes to writing down the mathematics there are many hurdles for such kids like unfamiliarity with the concept of solving on paper and in some cases dyslexia etc.

1. seasonal

2. frictional unenployment

3. the number of the labor force multiplied by 100 and then subtract the number of unemployed.

4. 4%

5. an increase in prices

answer; the edward snowden leaks of nsa classified material;