MiaRich04 MiaRich04

06-12-2016
Mathematics

contestada

You receive 9 text messages in 12 minutes. What is the rate of text messages per hour?

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MathisLif3 MathisLif3

06-12-2016

9 text in 12 minutes
60 min/12= 5 intervals
9*5=45texts an hour

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