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?

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

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

Math 
Ms. Sue
Which one will give you reasonable answers?

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

Math 
Anonymous
Multiplication works better for me.

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

Math 
Ms. Sue
Do you mean that you'd pay $5.50 per minute??
The company only charges $2.75 for 45 minutes!! 
Math 
Anonymous
Ohh.
Well, know I to divide instead.
Can I take $5.50 and divide it by 90 to get my answer for B? 
Math 
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? 
Math 
Ms. Sue
Yay! You've got it! :)

Math 
Anonymous
Yay! Thank you :D

Math 
Ms. Sue
You're very welcome. :)
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