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Mathematics, 27.06.2019 06:00 kevo2024
Ricki has a prepaid cellphone. last week ricki made 4 calls and sent 20 text messages which cost him $4. this week he made 10 calls and sent 5 text messages which cost him $5.50. how much does one call cost? how much does one text cost?
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Ricki has a prepaid cellphone. last week ricki made 4 calls and sent 20 text messages which cost him...
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