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REY [17]
3 years ago
15

unit price—- a long distance phone charge of $1.40 for 10 minutes, or $4.50 for 45 minutes —- show work^

Mathematics
1 answer:
damaskus [11]3 years ago
4 0
1.40/10=  $0.14 
4.5/45= $0.10
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