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A phone call costs $0.58 for the first 3 minutes and $0.15 for each additional minute. if the total charge for the call was $4.78, how many minutes was the call?
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A phone call costs $0.58 for the first 3 minutes and $0.15 for each additional minute. if the total charge for the call was $4.78, how many minutes was the call?

User Hjuskewycz
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4 votes
the call was about 20 minutes

User TLadd
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