Question

It cost Amelia $12.45 to send 83 text messages. What is the cost of sending text messages, in dollars per text?On the double number line below, fill in the given values, then use multiplication or division to find the missing value.0

Answer 1

Okay, here we have this:

Considering the provided information, we are going to calculate the requested cost of sending text messages, in dollars per text, so we obtain the following:

Then from the given information we obtain the following rule of three:

$12.45/83 messages=$x/1 message

($12.45/83 messages)/1 message=$ x

($12.45/83)=$ x

x=$0.15

Finally we obtain that the cost of sending text messages, in dollars per text is $0.15 per each message.