115k views
3 votes
The price of a math textbook can be modeled by the equation:

y = 2x + 76, where x is time in years and y is the price of
the textbook. This equation tells us that the textbook originally
cost $76 and each year the cost went up $2. How many years
will it take for the textbook to cost $100?

1 Answer

3 votes
It should take 12 years
User Kevin Schellenberg
by
7.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.