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Mathematics 97 Online
OpenStudy (dinorap1):

Paying bills consumer math questions. Help me check my answers please! I will post the questions below.

OpenStudy (dinorap1):

1. Checks are stale-dated when ____. A. you indicate in the "memo" field B. 6 months from the date of the check C. 30 days from the date of the check D. 1 year from the date of the check 2. When comparing plans, you should ____. A. Look at your previous bills and B. Enroll in the plan and then compare the cost savings C. Choose the cheapest plan D. Choose a plan that gives you the most benefits 3. You decide to enroll in a plan that gives you a 10% discount if you make phone calls 7pm-6am. The per minute charge is $0.10 and the sales tax is 6%. On the first month's bill you used the phone for 130 minutes 6am-7pm and then 400 minutes 7pm-6am. How much was your total bill? A. $56.18 B. $53.00 C. $51.94 D. $49.00

OpenStudy (anonymous):

What are your answers?

OpenStudy (dinorap1):

1. B 2. A 3. C

OpenStudy (dinorap1):

Oops I didn't fully write out A, here's what it says A. Look at your previous bills and estimate how they would have been different using another plan

OpenStudy (dinorap1):

@Zelda Hello?

OpenStudy (anonymous):

Moment.

OpenStudy (dinorap1):

Okay I see you're helping other people, just making sure you didn't forget about me

OpenStudy (anonymous):

1. Is right. 2. Seems right? Not sure about this one. 3. Yup.

OpenStudy (dinorap1):

Yeah number two is confusing to me too. But I have one more I need help with that's all math so just give me a sec to type it out

OpenStudy (dinorap1):

4. The "Limited Plan" offers a 15% discount for power usage between 7pm and 9am if most of your usage happens during that time. If not, then you lose your discount and you pay a 20% premium on the usage outside of that time. The cost per kilowatt hour is $0.05432. How much would you have paid in March if you used 450 KWH 7pm-9am and 465 KWH 9am-7pm? A. B. C. D.

OpenStudy (dinorap1):

A. $49.70 B. $51.08 C. $54.75 D. $42.25

OpenStudy (dinorap1):

For number 4 I got B. Is that right? @Zelda

OpenStudy (anonymous):

Yes!

OpenStudy (dinorap1):

Yay! Awesome. Are you sure all my answers are right besides number two?

OpenStudy (anonymous):

Yea. I'm 100% sure.

OpenStudy (dinorap1):

Thank you so much! Number two is super confusing, I guess I will have to look for the answer somewhere in the lesson.

OpenStudy (dinorap1):

Well I got the last question wrong. I wonder what I did wrong?

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