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Veronika [31]
4 years ago
13

Leila purchased a pre paid phone card for $25. Long distance calls cost 22 cents a minute using this card. Leila used her card o

nly once to make a long distance call. If the remaining credit on her card is $19.50 , how many minutes did her call last?
Mathematics
1 answer:
slamgirl [31]4 years ago
6 0

Answer:

Leila's call lasted for 25 minutes.

Step-by-step explanation:

inital amount - (0.22 * minutes on the phone) = final amount

25 - 0.22x = 19.5

Solve for x

Subtract 25 from both sides

-0.22x = -5.5

Divide both sides by -0.22

x = 25

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