Answer:
hey ;

is an irrational number
Step-by-step explanation:
here's the proof in attachment.
<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>
1 hour=60 minutes 12×5=60
9×5=45
About 45 messages per hr
Do $8.31/3 and $12.95/5 and that will give you a price per pound and whichever is cheaper would be a better deal.