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omarabdellbast4334
22.10.2020 •
Mathematics
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?
Solved
Show answers
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Ответ:
4 years to cost $150
Step-by-step explanation:
Just add +15 to each year until $150
Ответ:
3.5
Step-by-step explanation: