Math
posted by Anonymous
The rates for Internet use offered by three companies are shown below.
Company A: $6.00 every 90 minutes of use
Company B: $2.75 every 45 minutes of use
Company C: $3.00 for every 60 minutes of use
Which company offers the lowest rate per minute?

Ms. Sue
What do you think you should do with these pairs of numbers? Add? Subtract? Multiply? Divide?

Anonymous
I'm pretty sure that you could either multiply or divide.

Ms. Sue
Which one will give you reasonable answers?

Anonymous
For B, I'd multiply it by 2 to get 90, then mutliply $2.75 by 2 to get 5.50.

Anonymous
Multiplication works better for me.

Lola
But then again, it's asking for the lowest rate per MINUTE.

Ms. Sue
Do you mean that you'd pay $5.50 per minute??
The company only charges $2.75 for 45 minutes!! 
Anonymous
Ohh.
Well, know I to divide instead.
Can I take $5.50 and divide it by 90 to get my answer for B? 
Anonymous
So here are my results for all:
Company A: 0.07 c/minute
Company b: 0.06 c/minute
Company C: 0.05 c/minute
So the answer would be C? 
Ms. Sue
Yay! You've got it! :)

Anonymous
Yay! Thank you :D

Ms. Sue
You're very welcome. :)
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