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Mathematics, 02.11.2019 06:31 mickeyo2003

Suppose a 5 minute overseas call casts $5.91 and a 10 minute call casts $10.86. the cost of the call and the length of the call are related. how long can you talk on the phone if you have a $20 bill

y=mx+b

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Suppose a 5 minute overseas call casts $5.91 and a 10 minute call casts $10.86. the cost of the call...
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