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Jacob is choosing a cell phone plan. If five messages cost $1 and 20 messages cost $4, what is the rate of change of the cost per message? -$2 per message $2 per message -$0.20 per message $0.20 per message
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Jacob is choosing a cell phone plan. If five messages cost $1 and 20 messages cost $4, what is the rate of change of the cost per message?

-$2 per message

$2 per message

-$0.20 per message

$0.20 per message

User KoleS
by
7.7k points

2 Answers

6 votes

Answer:

20 cents per message

Explanation:

User Corylus
by
7.6k points
3 votes
The answer is $.20 per message
User Ambrish Pathak
by
7.0k points
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