if casey walks 5 miles in 40 minutes then casey will walk how far in 70 minutes? round your answer to the nearest tenth of a mil
1 answer:
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Answer:
Step-by-step explanation:
Fixed monthly fee = $20
Amount charged per minute for long distance calls = $0.20
denotes total cost such that
minutes are used for long distance calls.
Amount charged for minutes for long distance calls
Therefore, an equation for the total cost, C, when N minutes are used for long distance calls is