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1 vote
The price of a cell phone can be modeled by the equation:

y = 15x + 90, where x is time in years and y is the price of
the phone. This equation tells us that the cell phone originally
cost $90 and each year the cost went up $15. How many years
will it take for the cell phone to cost $150?

User Allenskd
by
7.7k points

2 Answers

3 votes

Answer:

4 years to cost $150

Explanation:

Just add +15 to each year until $150

User I Hate Lazy
by
8.4k points
0 votes
4 years I’m pretty sure.
User Azhrei
by
9.5k points

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