10. 1 british pound = 1.624 dollars
1 canadian dollar = 1.005 dollars
1 european euro = 1.320 dollars
1 dollar
Therefore, the currency which is worth most is British pound.
Answer: C.
11. 1 japanese yen = 0.0120 dollars
3400 japanese yen = x dollars
This is:
Answer: D. $40.80