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pegah

9 text messages in 12 min ⇒ how many text messages in 60 min 
9×60÷12 = 45 text messages :))

calculista

Answer:

\(45\frac{messages}{hour}\)

Step-by-step explanation:

we know that

To find the rate  of text messages per hour, first divide the total messages by the total time in minutes

so

\(\frac{9}{12}=0.75\frac{messages}{minute}\)

Convert to messages per hour

Remember that \(1\ hour=60\ minutes\)

Multiply by \(60\)

\(0.75*60=45\frac{messages}{hour}\)

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