If a = ×, b = ÷ and c = +, find the value of 7a5c1b6
4
6
\( \frac{5}{3} \)
7
B. 6
What was the decline in production in year 2008 compared to 2007?(Rice production: 2005=325, 2006=438, 2007=429, 2008=258, 2009=495)
40%
51%
67%
45%
A. 40%