Answer to Question #287726 in Algebra for austyn

Question

The average annual number of cigarettes smoked by an adult in some country continues to decline. For the years​ 2000-2009, the equation y=−94.2x+1555 approximates this data.​ Here, x is the number of years after 2000 and y is the average annual number of cigarettes smoked. Predict the average annual number of cigarettes smoked by an adult in this country in 2015. To do​ so, let  x=15 ​(since 2015−2000=15​) and find y.

The average annual number of cigarettes smoked by an adult in the country in 2015 is predicted to be

enter your response here

. ​(Simplify your​ answer.)

Answer 1

average annual number of cigarettes smoked by an adult in this country in 2015:

$y=−94.2\cdot15+1555=142$