Lena purchased a prepaid phone card for $20. Long distance calls cost 21 cents a minute using this card, Lena used her card only

Question

2 years ago

9

once to make a long distance
call. If the remaining credit on her card is $12.23, how many minutes did her call last?

1 answer:

slega [8] · Answer 1 · 2022-03-24T01:44:13+03:00

slega [8]2 years ago

5 0

<u>Answer:</u>

37 minutes

<u>Step-by-step explanation:</u>

Lena has 20 dollars. 20 - 12.23 = 7.77

Lena has $7.77 dollars left.

We divide this by .21 to see how many minutes her call was.

7.77 ÷ .21 = 37

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