averyeverdeen01
22.09.2020 •
Mathematics
Linda purchased a prepaid phone card for 30. Long distance calls cost 19 cents a minute using this card. Linda used her card only once to make a long distance call. If the remaining credit on her card is 23.73 , how many minutes did her call last?
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Ответ:
explanation:
30 - 23.73 = 6.27
6.27/0.19 = 33
Ответ:
1. variable
2.value
3. integers
4. whole numbers
5.natural numbers
6. rational numbers