Homework Help: Algebra

Posted by Poochie on Sunday, July 10, 2011 at 7:17pm.

Use the five steps for problem sovling.

Company A charges $25 per month plus $0.22 per minute for cell phone service. Company B charges $35 per month plus $0.12 per minute. How many minutes of usage is needed in one month to make Company B a better deal?

Algebra - Ms. Sue, Sunday, July 10, 2011 at 7:18pm
What are the five steps you are supposed to use?
Algebra - Poochie, Sunday, July 10, 2011 at 7:28pm
Help with solving don't need five steps . Thanks
Algebra - Poochie, Sunday, July 10, 2011 at 8:04pm
I need help with this problem.
Algebra - Reiny, Sunday, July 10, 2011 at 8:32pm
solve:
.12m + 35 < .22m + 25

The five step-method is probably a term your teacher uses, and is not generally known.
The number of steps shouldn't really matter.
Here is the way I would do this ....

.12m + 35 < .22m + 25
-.1m < -10
m > 100

so for usage of more than 100 minutes, plan B would be better
check with a number like 150 minutes

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