Mathematics, 03.12.2021 03:10, zitterkoph
In a certain country, customers are charged a flat fee of $55.50 for up to 50 local calls. customers pay $0.35 per call for each call above this limit. and a customer used $87.00 of local calls how to calculate the number of local calls
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In a certain country, customers are charged a flat fee of $55.50 for up to 50 local calls. customers...
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