## Thinking Mathematically (6th Edition)

$W = 5 + 0.64 * x$
In 1970, $5\%$ of lawyers were women. In 2012, $32\%$ of lawyers were women. The provided yearly increase is $0.64\%$ per year. To use this information to write a mathematical model, we need to take the starting percentage in 1970 ($5\%$), and add it to the yearly increase ($0.64\%$) multiplied by the numbers of years passed after 1970. $W = 5 + 0.64 * x$