If December sales were 30% more than November sales, by what percent are November sales less than December sales?

If the C$ weakens (from the value C$1.0339 = US$1.00) by C$0.0033 relative to the US$, what will be the new value for US$ per C$1.00?

The owner of a small manufacturing plant employs nine people.As part of their personnel file,he asked each one to record the distance,in km,they travel one way from home to work and the time it takes in minutes. $$\begin{array}{cc}\text{ Time }(\min )& \text{ Distance }(\mathrm{km})\\ 5.2& 18\\ 2.3& 8\\ 4.1& 10\\ 6.4& 19\\ 3.8& 8\\ 1.8& 6\\ 7.1& 26\\ 9.5& 32\\ 1.8& 8\end{array}$$