The credit remaining on a phone card is a linear function of the total calling time made with the card. The remaining credit aft

Question

3 years ago

7

The credit remaining on a phone card is a linear function of the total calling time made with the card. The remaining credit aft

er 45 minutes of calls is $14.60, and the remaining credit after 67 minutes of calls is $11.96. What is the remaining credit after 81 minutes of calls

Mathematics

1 answer:

dolphi86 [110] · Answer 1 · 2022-05-30T20:44:30+03:00

dolphi86 [110]3 years ago

5 0

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