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Mathematics 21 Online
OpenStudy (anonymous):

Please please please! Help! D: I will give you a fan and medal!

OpenStudy (anonymous):

Isabelle made $51,000 last year. Randall made $20,000 plus 33% commission on $90,000 in sales. Who had a higher income last year? Explain.

OpenStudy (mathmale):

You're comparing the incomes of two separate people. The first person, Isabelle, made $51,000. That's it. The second person, Randall, was paid by his employer a salary of only $20,000. However, he earned a 33% commission on his $90,000 in sales. What is 33% of $90,000?

OpenStudy (mathmale):

Or, almost equivalently, calculate one third of $90,000.

OpenStudy (anonymous):

29,700?

OpenStudy (mathmale):

Approx. Now, Plezase add $20,000 and your $29,700. what do you get?

OpenStudy (mathmale):

"Plezase" is spelled plezase but pronounced as "please." :)

OpenStudy (anonymous):

49700 is what you get when you add them.

OpenStudy (mathmale):

Yes. Now compare the two amounts. Which is greater, $49,700 or $50,000?

OpenStudy (anonymous):

50,000 is greater.

OpenStudy (mathmale):

So which person earned more that year?

OpenStudy (anonymous):

I think it was Randall?.

OpenStudy (mathmale):

Please explain how you chose that response. What are you comparing?

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