Mathematics, 20.09.2020 06:01 jgandarilla21

Suppose you make a 4-minute local call using a calling card and are charged 7.6 cents. The post of a local call varies directly with the length of
the call. How much more will it Cost to make a 30-minute local call?
• Which quantity is the dependent quantity?
• How does the word "more" affect the method needed to solve the problem?

Answers: 2

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Suppose you make a 4-minute local call using a calling card and are charged 7.6 cents. The post of...