devinm9099
devinm9099
04.05.2021 • 
Mathematics

Stellar cell phones charges $0.10 per extra gigabyte of data and a monthly fee of $15. Cell Phones ‘R Us does not charge a monthly fee, but they charge $0.15 per extra gigabyte of data. Which inequality represents the situation when Cell Phones ‘R Us is cheaper than Stellar Cell Phones?

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